Q: normality of the solution having a density of 1.90 g/cc and is 15% m/m sulfuric acid. 2.0982 M,…
A: Molarity(M) is No. of moles of solute per Litre of the solution. M=nV Normality(N) is grams…
Q: 3. The solubility of KNO3 in water at 0°C and 60°C are 13.9 g/100 g and 106.0 g/100 g, respectively.…
A: We would Calculate amount of KNO3 that would remain dissolved in 75 g water at 0°C using solubility…
Q: Calculate the normality of 0.00542 Ca(OH)2 Select one: O a. 0.00542 Ob. 0.00181 Oc 0.01626 Od.…
A: Relation between normality and molarity: Normality = n x Molarity Where, n = acidity of base ie…
Q: One chemical that is added to water during water treatment. How is it added to water and why?…
A:
Q: List the common steps taken in treating water for a public water system?
A: The common steps taken in treating water for a public water system have to be listed below.
Q: 8 Classify each compound based on its properties Substance Melting Point Solubility Conductivity…
A:
Q: How many grams of BaCl2 2H2O must be dissolved in 1.50 L of water to yield a 0.250 M BaCl2 solution?…
A:
Q: Does water density appear to be more sensitive to a change in temperature at point A or point B?
A:
Q: Describe the two characteristics of water that cause it to evaporate more slowly than other liquids.…
A: Answer Describe the two characteristics of water that cause it to…
Q: You are given .250 L of 12 M solution of CsOH. What would be the new volume of the solution if its…
A: The product of concentration and volume term before and after dilution remains the same, and…
Q: What mass of C12H22011 (sucrose) is needed to prepare 255 mL of a 0.570 M solution of sucrose in…
A: The number of moles of solute present in 1L of the solution is called the molarity of the solution.…
Q: A 315mL of water was added to 2100 mL of 19M NaCI solution. What is the new concentration of the…
A: Since you have asked multiple type questions, we will solve only first questions for you. If you…
Q: the soda pop in a can of carbonated beverage. classification of matter
A: Soda pop is a sweet drink.
Q: 2. Boil 1 L of distilled water for 5 min to expel CO2. Pour the water into a polyethylene bottle,…
A:
Q: List the main steps involved in treating water for domestic uses?
A: To find: The main steps involved in treating water for domestic uses.
Q: CuSO4 5H2O NiCl2 6H2O MgSO4 7H2O What is the average percent of water in the…
A:
Q: Choose the most suitable definition for "enthalpy of solution". Select one: O a. The quantity of…
A: The enthalpy of solution, enthalpy of dissolution, or heat of solution is the enthalpy change…
Q: Tuenny wita separanontecque Ca De penommedo uo e TOoWng. 1. turn water into gas 2. create pure water…
A: 1. Evaporation – turn water into gas 2. Distillation – create pure water from salt water 3.…
Q: Steam distillation was performed to obtain geraniol (MM = 154.25 g/mol) from dried rose petals. At…
A: According to Dalton's law of partial pressures,The total pressure of the solution,…
Q: The water in a certain pool has a concentration of 3.38 mg/L of Fe^3+ ions. Express this value as…
A: Given Concentration of Fe3+ = 3.38 mg/L Concentration in parts per billion =?
Q: Determine the amount in grams of KCl that exists n 20.3 g of a solution that contains 1.14 % KCl by…
A: Mass percent : Mass percentage is a way of depicting the concentration of an element in a compound…
Q: Choose the most suitable definition for "enthalpy of solution". Select one: O a. The quantity of…
A: Enthalpy of solution also known as heat of solution.
Q: Your know-it-all classmate just explained to the class that NaCl is a gas because the line on the…
A: The solubility of a solute in a particular solvent is the concentration of its saturated solution at…
Q: The heat of solution (A H is the algebraic sum of the heat of mixing (A H the heat of solvent (A H…
A: Thermodynamics is the branch of chemistry which deals with the study of heat and other forms of…
Q: This means the resulting mixture looks like a ____________liquid no matter how much ethanol or water…
A: Alcohol and water both are polar molecules. And like dissolves like that is polar liquids are…
Q: g of magnesium nitrate is dissolved in 1.20 L of water. 25 mL of this solution is taken and diluted…
A:
Q: The solubility of KCI in water is @ 344 g/L. What would be the best method for preparing a 100 mL…
A: A question based on solutions that is to be accomplished.
Q: Complete the Table based on the picture (Heat Neutralization between a strong acid and a strong…
A: Given data,Volume of HCl=100mLVolume of NaOH=100mLTotal volume of mixture=200mLDensity of…
Q: one common chemical contaminant that is removed from water during water treatment. how is it removed…
A:
Q: 23 Vijay does the following experiment. upside-down cup 1 Take an empty cup. 3 Push the cup with the…
A: Air is composed of gases and occupies volume. When water is added to a container containing only…
Q: n impure sample contains 0.78 g of impurities and 4.95 g of benzoic acid. The sample is dissolved…
A: Grams of the impurity that will crystallize out when the solution has cooled = 0.17 g
Q: A student wants to investigate the effects of liquid dish detergent on the properties of water. She…
A: Detergent is surfactant.
Q: Draw a diagram to show how energy is transferred by water particles as a wave moves through water
A: The amplitude of a wave is the distance moved by a point on a wave measured from its equilibrium…
Q: Flocculation is best described as: O A way to kill pathogens in drinking water O A way to remove…
A: Flocculation is a two step particle aggregation process in which a large number of small particles…
Q: Compare the following set of molecules in terms of the properties indicated in each item. Explain…
A: Intermolecular spacing and intermolecular force of attraction existing between the individual…
Q: What are the concentrations of chemicals interest to water treatment and potable water supply…
A: The process in which the quality of water improves to make it a appropriate use is known as water…
Q: When making a solution, the container gets hot. This is an example of an endothermic process O…
A:
Q: Calculate the normality of o.321g sodium carbonate when it is mixed in a 250 mL solution. (Molar…
A: Given that, 0.321g of sodium carbonate mixed with 250 mL of solution. Molar mass of Na2CO3=106g/mol…
Q: Determine the volume of 10. mol/L H,SO4 solution that is needed to make 1.0 L of 1.0 mol/L solution…
A:
Q: What applications does water potentially have based on its chemical and physical properties?
A: Properties of water:(i) Water is a transparent, colourless, odourless and tasteless liquid.(ii) It…
Q: C12 (1 equivalent), AIBN, heat 2. Potassium isopropoxide/isopropanol MCPBA 3. 1. 4. Cat. HCI/ELOH
A:
Q: A student must prepare 7.00 L of 0.100 M Na2CO3 (106 g/mol). Which is the best procedure for…
A: Given that: 7 L of 0.1 M Na2CO3. Now, 7 L of 0.1 M Na2CO3 = 7 L x 0.1 mol/L…
Q: Joules Using the data below, calculate the heat of dissolution, AHsoln, in units of g NaOH Assume…
A: Determination of change in temperature: ∆T=37.7°C-25°C=12.7°C
Q: What does the unit "N" (normality) represent? O g/L O mol/L eq/g O mg/mmol O eq/L
A: Normality (N) is defined as the number of mole equivalents per liter of solution.
Q: 9 What volume of a 0.540 M KOH solution contains 15.5 g of KOH? A) 0.54 L B) 0.51 L C) 1.95 L D)…
A: Mass of substance can be converted to moles and moles can be converted to Molarity
Q: identify whether an ice cube melting is exothermic or endothermic endothermic impossible to tell…
A: In the melting of an ice cube, it requires heat or we can say that it absorbs the heat to melt.
Q: How many grams of Mg3(PO4)2 are needed to make 3.000 L of a 2.500 M solution ? The GFW for…
A: Formula used: Mole = weight of compound/ Molar mass Molarity = no of mole / volume in L So no of…
Q: freezing point and boiling point of water on the Celsius scale?
A: The freezing point is the temperature at which a liquid substance turns into its solid phase. The…
Q: Sample of water at 80.0°C to form a saturated solution. Using the information on Table B, determine…
A: Given 100g of water Specific heat of water = 4.18J/gK = 4.18J/g°C We have to calculate heat…
Step by step
Solved in 2 steps
- Given the balanced reaction between salicylic acid (C7H6O3) and acetic anhydride (C4H6O3) to produce ASA or acetylsalicylic acid (C9H8O4) and acetic acid (C2H4O2), the following experimental materials are provided: 5.00 g of pure salicylic acid, 7.14 g of acetic anhydride and 8 drops concentrated sulfuric acid as catalyst. After successful synthesis, the group was able to collect 5.25 grams of acetylsalicylic acid. (Atomic weight: C = 12 amu; H = 1 amu; O = 16 amu; density acetic anhydride = 1.08 g/mL). a. How much of the EXCESS reagent is left unused after the reaction? b. What is the PERCENTAGE in the experiment? c. What is the THEORETICAL yield of ASA in the experiment?Given the balanced reaction between salicylic acid (C7H6O3) and acetic anhydride (C4H6O3) to produce ASA or acetylsalicylic acid (C9H8O4) and acetic acid (C2H4O2), the following experimental materials are provided: 5.00 g of pure salicylic acid, 7.14 g of acetic anhydride and 8 drops concentrated sulfuric acid as catalyst. After successful synthesis, the group was able to collect 5.25 grams of acetylsalicylic acid. (Atomic weights: C= 12 amu; H = 1 amu; O= 16 amu; density acetic anhydride = 1.08 g/mL). What is the PERCENTAGE in the experiment?Given the balanced reaction between salicylic acid (C7H6O3) and acetic anhydride (C4H6O3) to produce ASA or acetylsalicylic acid (C9H8O4) and acetic acid (C2H4O2), the following experimental materials are provided: 5.00 g of pure salicylic acid, 7.14 g of acetic anhydride and 8 drops concentrated sulfuric acid as catalyst. After successful synthesis, the group was able to collect 5.25 grams of acetylsalicylic acid. (Atomic weights: C= 12 amu; H = 1 amu; O= 16 amu; density acetic anhydride = 1.08 g/mL). What is the THEORETICAL yield of ASA in the experiment?
- Given the chemical equation in the synthesis of benzoic acid from toluene and potassium permanganate: C7H8(I) + 2KMnO4(aq) → KC7H5O2 + 2MnO2 (s) + KOH (aq) + H2O (I) KC2H5O2 (aq) + HCl (aq) → C7H8O2 (s) + KCl (aq) MW: C7H8 = 92.14 KMnO4 = 158.03 MnO2 = 86.94 KC7H5O2 = 160.21 C7H8O2 = 122 Density: C7H8 = 0.87 g/mL KMnO4 = 2.7 g/mL KC7H5O2 = 1.5 g/mL C7H8O2 = 1.27 g/mL If 1 mL of toluene and 4 mL of 50% w/v potassium permanganate solution are used to synthesize the benzoic acid in a reflux set-up, calculate the theoretical yield of benzoic acid. Show your complete solution and underline your final answer.Draw the structure of the predominant form of CF3CH2OH (pK a = 12.4) at pH = 6.A synthesis of 2-butanol was performed by treating 2-bromobutane with hot sodium hydroxide solution. The yield was 60%, indicating that a significant portion of the reactant wasconverted into a second product. Predict what this other productmight be. What simple test would support your prediction?
- Formaldehyde, H2C=O, is known to all biologists because of its usefulness as a tissue preservative. When pure, formaldehyde trimerizes to give trioxane, C3H6O3, which, surprisingly enough, has no carbonyl groups. Only one monobromo derivative (C3H5BrO3) of trioxane is possible. Propose a structure for trioxane.Give the content and use of the following: (Explain it thoroughly) Ethanol Petroleum ether Dichloromethane KMnO410. Trimyristin is obtained from coconut oil. It has molecular formula C45H86O6. On being heated with aqueous sodium hydroxide followed by acidification it was converted to glycerol and tetradecanoic acid as the only products. What is its formula?
- Ascorbic acid, H₂C6H6O6, is a diprotic acid usually known as vitamin C. For this acid, pk1 is 4.10 and pKa2 is 11.79. When 125 mL of a solution of ascorbic acid was evaporated to dryness, the residue of pure ascorbic acid had a mass of 3.30 g. Calculate the molar concentration of ascorbic acid in the solution before it was evaporated. i What was the pH of the ascorbic acid solution before it was evaporated? pH = i What was the concentration of the ascorbate ion, C6H6062, before the solution was evaporated? i M M28(g) Give name(s) of major organic product(s) of the following reaction. CH,CH, HBr, H,O refluxYou have a mixture of an aryl halide and a carboxylic acid that you wish to separate(both are solids). Both are soluble in diethyl ether. Explain ALL the steps you would take to obtain the two compounds in pure form from your sample.