Distinguish between: a. analysis (analyze) & determination (determine) b. qualitative & quantitative analysis c. sample & analyte

Q: Which of the following is incorrect: General steps in qualitative analysis include: Method…

A: A multiple choice question based on analytical methods, which is to be accomplished.

Q: How would you turn a qualitative experiment into a quantitative experiment?

A: Interpretation -  We have to explain how we can turn a qualitative experiment into a quantitative…

Q: a sample of salt water was collected weighting 113.33g. After boiling for several minutes until dry,…

A: Given,  Weight of the sample of of salt water = 113.33 g  After boiling for several minutes until…

Q: 64. This process of separation is called O recrystallization process O sublimation process O…

A:

Q: An experiment was conducted using the the instructions below, and the results in the table below…

A: A question based on absorption that is to be accomplished.

Q: A solution of HNO, is standardized by reaction with pure sodium carbonate. 2H* + Na,CO, - 2 Na* +…

A: The calculations begin with the values that generate the greatest molarity. Volume of…

Q: 1. pH is a scale, with values from to O O to 7 8 to 14 0 to 14 1 to 10

A: pH is the measure of how acidic/basic water (H2O) is. The pH range can be from 0 - 14. If pH = 7 ,…

Q: aper + watch glass 45.79 46.28-9 whem ed lihw mwo 460d/ g filter paper + copper 1st time filter…

A: Given that,  Mass of hydrated sample, m1 = 1.02 g Mass of dehydrated sample, m2 = 0.91 g Mass of…

Q: Explain three different types of mass spectrometers. Differentiate them, construction,working and…

A: Interpretation - To explain three different types of mass spectrometers and we have to differentiate…

Q: 1 m.e. of Na+ will replace how many m.e. of H+? * a.) 1 b.) 23 c.) 0.23 d.) 0.1

A: n factor of Na+ is 1. n factor of H+ is 1.

Q: How important is identifying chemicals and Laboratory apparatuses used in an analysis?

A: You should always know your lab equipment well before you do any type of experiment because without…

Q: 1. Using your data from Part I of the experiment, determine the (Sr) in the sample of strontium…

A: Part 1 Mass of unknown used = 2.5 g Mass of dry filter paper + SrCO3 = 2.62 g Mass of empty filter…

Q: In Paper Chromatography, when the solvent wicks up the paper and causes the separation of your…

A:

Q: What type of balance are you going to use if you are weighing a sample for sample analysis? Explain…

A: A question based on analytical process that is to be accomplished.

Q: A ?? BnO B ?? „NMe2 ?? MeO OMe HO

A: Organic transformations.

Q: When we need sample preparation for analysis? use your own words to write

A: 1) Preparation is a very important step in most analytical techniques because the techniques are…

Q: The analyst would use an analytical balance during sample analysis, what would you recommend her/him…

A: Make sure  that you place the balances in an area with constant humidity and temperature. The…

Q: B. Standardization of KMnO4 Mass of Na2C₂O4 Weighing bottle initial mass Weighing bottle final mass…

A:

Q: Often, palnters mix blue and white palnt to lighten Its color. Whlch of the following statements…

A: Two paints are mixed to get lighten color than earlier, now, we need to interrogate all four options…

Q: 17. Aiphonse Bertillon (1853-1914) devised the first sei- entific system of using a series of body…

A: 17) Alphonse Bertillon (1853-1914) devised the first scientific system of anthropometric using a…

Q: 1. What is a spectrophotometer used for in a cobalt chloride solution analysis?

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Q: Part C ? Cl+ _°e Express your answer as an

A:

Q: Importance

A: Water sampling is very important for the correct outcome of water analysis. Using the correct…

Q: Part A 5.84 L NO. mNO = Submit Request Answer Part B 0.334 L N2 H mN. = Submit Request Answer 60

A: Given A. volume of NO = 5.84 L B. volume of N2 = 0.334 L C. volume of Ar = 136 cm3

Q: Am I right? Sample 1 2 3 Calculations for sample 1 Mass of aluminum dish   1.24g 1.26g…

A: Percentage of water  = mass of watermass of anhydrate  x 100

Q: What is the purpose of the acetic acid experiment?

A: We have to discuss about the purpose of acetic acid experiment.

Q: what steps can be taken to improve the quality of analytical results. explain briefly.

A: Quality of measurements made in chemistry and other areas is an importants issuue in today's world…

Q: Summarize and write IN YOUR OWN WORDS:

A: Gas forming reactions: In a dry test tube (10x75 or 13x100mm) take a small piece of solid CaCO3, add…

Q: a) b) c) d) e) 1) g) h) i) D k) 1) n) MeO it with Jul 8.0 MeO 1.00 8.0 1 L 7.8 I 7.8 ľ K FAK 1 7.6…

A: 1HNMR Spectra given above have signals between 6 to 8 ppm taht is aromatic region .therefore, by…

Q: How does analytical chemistry help in forensic science?

A: The way how analytical chemistry help in forensic science has to be given,

Q: A solution of HNO, is standardized by reaction with pure sodium carbonate. 2H + Na, CO,: - 2 Na+ +…

A: Given, Volume of HNO3 solution =26.37±0.05 mL Weight of Na2CO3 = 0.9150±0.0007 g Formula/Molar mass…

Q: what are the possible errors that could be encountered during the analysis?

A:

Q: please help me in answering the chart and the questions related to it

A: The chemical equation for the neutralization reaction is: HCl + NaOH → NaCl + H2O

Q: ne limiting and excess

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Q: Use the sample experimental data to calculate the mass of residue (BaCl2)  Mass of pan 15.110 g…

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Q: Cu* (aq) +e + Cu(s) 0.52 Cu2+ (aq) + 2e Cu(s) 0.32 Pb2+ (aq) + 2e Pb(s) -0.13 Sn+ (aq) + 2e Sn(s)…

A: The cell potential measured under standard condition of 1 atm pressure 1 M concentration and 250C,…

Q: 1. Using your data from Part I of the experiment, determine the mass of strontium (Sr) in the sample…

A:

Q: In a laboratory 100 mL of phosphorus solution with concentration 1,0 mg/L is needed when the…

A: On dilution concentration changes but no of moles remain same. So, M1V1 = M2V2 M1 = Concentration of…

Q: C. The lead(II) oxide was weighed before and after the additions. d. - 19 18 17 16 before 9 15 ii.…

A: c. Mass of lead(II) oxide is added to dilute nitrile acid is (18.2 g - 14.4 g) = 3.8 g.   d. i)…

Q: When we need sample preparation for analysis? use your own words to explain

A: Given :  To explain a need of sample preparation for analysis.

Q: What is polarity and how is polarity related to how chromatography works?

A: In chemistry, polarity of a molecule is defined as the electric charge distribution over the atoms…

Q: In the analytical strategy, can one analysis the data before obtaining the sample. True False

A: For the analysis of the data of a sample, the primary step is to determine the sample that is to be…

Q: What are advantages and limitations of different types of modelling? (modelling with experiments,…

A: In chemistry there are many ways to check the deviation of experimental data from the accurate…

Q: Which property of soil depends on the size of particles? O color O odor O temperature texture Mark…

A: Soil is made up of very tiny particles.

Q: New August 3, 2021. Sampling is a second step analytical methodology, it means Select one: O a.…

A: Basically we have to choose the correct definition of sampling

Q: When we need sample preparation for analysis? Explain.use your own words to write

A: Sample preparation is a very important part of analytical chemistry. Analytical chemistry is one of…

Q: Menthol is a common ingredient of nasal inhalers and has similar properties as naphthalene. What…

A: Given : Menthol is a common ingredient of nasal inhalers and has similar properties as naphthalene.…

Q: Which of the following is incorrect: a. General steps in qualitative analysis include: Method…

A: A multiple choice question about chemical analysis, which is to be accomplished.

Q: Table 2. Qualitative Analysis of Group V Cations Result/ Observation Group V Confirmatory Substance…

A: In the qualitative inorganic analysis, the cations and anions present in an inorganic salt can be…