Express the concentration of thiopene in: a. volume % b. Mole %  c. Molarity d. Normality

Q: How many equivalents of Mg2+ are present in a solution that contains 7.71 mol of MgCl,?

A: Magnesium chloride dissociate as ., MgCl2  ⇌  Mg2+ + 2Cl-

Q: Create a sample word porblem about

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Q: What is the mass percent of the solutions that contains 50 g solute and 50 g solvent? Express your…

A: The concentration of a substance can be measured in terms of mass by mass percentage. This…

Q: Calculate the molal formed by adding 2.701 g of methanol (CH3OH) to 100.00 mL of water. The density…

A: Number of moles off methanol = 2.701g / 32.04 g/mol = 0.084mole mass of water = density * volume…

Q: volume

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Q: Determine the amount in grams of KCl

A: % w/w = (mass of solute/mass of solution) x 100  % w/w = percent by mass

Q: Sea water contains dissolved magnesium at 0.1292% by mass.  How many grams magnesium are in 1000g…

A:

Q: Calculate the mass of nitrogen dissolved at room temperature in an 80.0-L home aquarium. Assume a…

A: Any gas's quantity dissolve to specified liquid always relies directly over liquid's pressure. This…

Q: Calculate the percent volume of ethanol given 6.55 mL of ethanol in 17.83 mL of a solution.

A: solution=solute +solvent Example :ethanol +water Ethanol=solute Water=solution Percent solution…

Q: 1 mL of sulfuric acid (H2SO4) is dissolved in 499 mL of H2O. Molar mass of H2SO4 = 98 g/mol its…

A: Dilution of the solution: When we dilute a concentrated solution with pure water, the mole of solute…

Q: An aqueous solution of hydrochloric acid contains 24% HCl by mass. Calculate the mole percent of HCl…

A: The concentration of any substance can be expressed in different ways such as molality, molarity,…

Q: 6.80 g of sodium chloride are added to 2750 mL of water. Find the mole fraction of the sodium…

A: Mol fraction (x) = mol of solute / mol of solute + mol of solvent . Mol fraction  is also called…

Q: Complete the table by computing Volume HCl used, Normality of HCl and Average normality of HCl.  The…

A: Normality is the number of gram equivalents of the solute dissolved per liter of the solution.

Q: volume of 0.250 mol/L solution that can be made from 31.0 g of C2H2O4 • 2H2O(s)

A:

Q: 2ml of water is added to 4g of a powdered drug.The final volume is 3ml.Find the mass by volume…

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Q: In a solutions, it is a substance that is usually present in greatest amount is known as?

A: A solution is homogenous mixture of two or more substances.  The parts of solution are solute and…

Q: When the amount of the solute is expressed as gram equivalents of solute per liter (or dm3), the…

A: Concentration: Molality, molarity, normality, mass percent, and volume percent are all quantitative…

Q: Determine the amount in grams of KCI that exists in 20. g of a solution that contains 1.14 % KCl by…

A: A solution is made up solute and solvent. Solute is present in small amount and solvent is present…

Q: Daltons law states tha a. The volume of gas that will dissolve and the solvent is proportional to…

A: The other options are from Gas Laws.

Q: A solution is made by addinh 50 mL of ethanol to 180 mLof water. Calculate the percent by volume.

A: The volume of the solute(ethanol)= 50 mL The volume of the solvent(water0=180 mL Therefore, the…

Q: What is the mass in grams of NaCl that is needed to make a 3.25 L of 1.8% NaCl solution by mass…

A:

Q: Why does a soda fizz up when opened? Using your understanding about gas laws, explain the…

A: Given: Soda fizz up on opening.  To find: Relate it to gas laws and explain why soda on opening fizz…

Q: 18. The solubility of gases a increases as temperature increases b. decreases as temperature…

A: As we know that, When temperature increase then kinetic energy increases.

Q: The final concentration of a solution made by diluting 10.0 mL of 0.685 mol/L NaBr to 300mL is ?

A: Given :  Initial concentration = 0.685 g/mol  Initial volume = 10.0 mL  Final volume = 300 mL  To be…

Q: 6. .... =mole/L. a) Mole fraction b) Molarity c) % Yield d) Normality

A: We are given : UNIT = mol/L We have to find the quantity that have unit of mol/L.

Q: A solution is prepared by dissolving 15.0 g of NH3 in 250.0 g of water. If The density of the…

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Q: pject what is the mass / volume percent concentration or voll vol percent concentration of…

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Q: Determine the liters of solution in the cylinder and record the data in the data table. Determine…

A: From the assignment description above, it can be noted that 2 scoops of NaHCO3 are added on the…

Q: Question attached

A: The mass of solute in grams present in 100 g of the solution is termed as the mass percent of the…

Q: 5. 320g of MgCl2₂ was used to make 0.5 M solution. What volume of solution would have been made.…

A:

Q: Calculate the mass in grams of NaF needed to prepare 0.50 L of 1.47 M NaF solution. Enter your…

A: Molar mass of NaF is (23 + 19)g = 42g/molesGiven molarity = 1.47 M and volume = 0.5 LNow we know,…

Q: Aqueous ammonia is commercially available in a solution that is 28% by mass ammonia. What is the…

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Q: Calculate the mass in grams of NaF needed to prepare 0.50 L of 2.25 M NaF solution. Enter your…

A: Write the formula for calculating mass of a compound required to prepare specific molar…

Q: When 225 g of solution was evaporated to dryness 52.35 g of solute was recovered. What was the…

A:

Q: A concentrated solution has A.) Some B.) More C.) less     solute than A.) Homogeneous B.) Dilute…

A: A concentrated solution is a solution where the solvent has a lot(more) of solute in the solution. A…

Q: ration [References] Use the References to access important values if needed for this question. An…

A:

Q: Explain why when you open a pop can, the gas comes out of solution

A: Pop can is made up of water and carbon dioxide, i.e., soda water contains carbonic acid which is a…

Q: A 5 mL sample of gas is at 30 atm. What will be the volume if the pressure becomes 1.500 atm? What…

A:

Q: How many grams of KF are contained in 619.5 mL of 0.135 M KF solution? Report you answer to two…

A: Molar mass of KF = 58.09 g/mol Available solution- 0.135M KF solution of volume 619.5ml

Q: 31. Sea water contains dissolved magnesium at 0.1292% by mas How many grams magnesium are in 1000g…

A: Mass of solute can be calculated as follows

Q: moles of KMnO4 are in 5.53 g

A: Number of moles = mass/molar mass Volume is directly proportional to temperature at constant…

Q: How many liters of solution can be produced from 3.21 moles of solute if a 1.35 M solution is…

A: Solution stoichiometry involves the calculation of the concentration of solutions in the given…

Q: what is the molarity of the solution made from dissolving 50.9 grams of sodium chloride in water to…

A: Given  what is the molarity of the solution made from dissolving 50.9 grams of sodium chloride in…

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A: Dear student I have given answer to your question in the image format.

Q: In gravemetric analysis, the mass is measured to calculate the molarity of the solution Select one:…

A: Gravimetric analysis is an analytical technique used to measure mass or concentration of the…

Q: A solution is prepared by dissolving A certain liquid X has a normal boling point of 129.10 °C and a…

A: When KBr (non-volatile solute) is added to the liquid X, its boiling point increases by 0.4 °C. This…

Q: What volume of a .445 mol/L solution would be needed to make 456mls of a solution with a…

A: Given, Concentration of stock solution , M1= 0.445molL Volume of stock solution , V1=? Volume of…

Q: hy is this so? Explain why does the carbon dioxide escape from soda when the cap is removed.

A: Explain why does the carbon dioxide escape from soda when the cap is removed.

Q: A solution contains 750 g of ethanol and 85 g of glucose (180 g/mol). The volume of the solution is…

A: Number of moles of solute (glucose) is equal to the mass of solute divided by its molar mass.

Q: 570 meir Isopr Label these components as solvents or solutes. methanol: [ Select ] sopropanol: […

A: Solution- Solute-  Methanol  Solvent-  water ( because its is universal solvent ) it is dissolved…