The Background section of this lab explains why weight percent (%w/w) can beuseful for comparing the relative amount of a desired or "active" compound indifferent products.During the lab, a major goal will be to decide which of your experiment flasks yielddata that would allow you to correctly calculate the %w/w of sodium bicarbonate inthese tablets.Let's assume that you correctly choose one flask for this calculation. If the amount ofNaHCO3 in that flask was 2.70 g and the original weight of the tablet was 4.60 g,what is the %w/w NaHCO3 in the tablet that went into this flask? GIVE YOURANSWER TO TWO DECIMAL PLACES.Your Answer:Answer

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Answered: The Background section of this lab…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Which reagent(s) would complete the reaction?
Review Homework REQUIRED (NOT Pie Progress) Question 18 of 46 (2 points) | Question Attempt: 1 of Unlimited ✓ 14 15 ✓ 16 17 18 19 20 21 ✓ 22 23 Wine goes bad soon after opening because the ethanol (CH3CH2OH) in it reacts with oxygen gas (02) from the air to form water (H2O) and acetic acid (CH3COOH), the main ingredient of vinegar. What mass of oxygen gas is consumed by the reaction of 2.66 g of ethanol? Round your answer to 3 significant digits. 0%
Why do you multipy the # of H2S mols by 4, when 4 corresponds to the reactory amount of O2?The logic there is somewhat confusing to me.I understand how/why you found out the mols of the equation but dividing the sample's MM by the equation confuses me.
Propose an alternative method for purifying the product today. Briefly describe how you would determine was effective. the reactionis attached and the procdeudre is below Synthesis of Dibenzalacetone (A) In this lab you will need to determine the amounts of the reactants you will use. We will use 0.0125 moles of acetone. You need to: (1) convert this into a volume in mL, (2) Calculate the number of moles of benzaldehyde needed based on the balanced chemical reaction, (3) Convert the number of moles of benzaldehyde into volume in mL. Your reagent table should reflect your calculated values. Mix the benzaldehyde and acetone based on the volumes from your prelab calculations in a testtube. Add 25 mL of 10% NaOH solution to a 125 mL Erlenmeyer flask along with a stir bar and 20 mL of ethanol. Make sure the temperature of the solution in the flask is below 25 C before proceeding. Add half of the solution from your test tube to the flask. Allow the solution to stir for 15 minutes…
Stoichiometry: Prolonged exposure of some functionalities to the eluent (methanol) in this experiment may lead to undesirable reactions. In one case, Acetylsalicylic acid (Aspirin) can react with methanol to form salicylic acid and methyl acetate. If 800 mg of Acetylsalicylic acid and 1 mL of Methanol undergoes such a side reaction (known as "Methanolysis") to completion: (a) write a balanced equation (draw all molecules instead of writing chemical formulas), (b) what is the limiting reagent? (c) predict the grams of salicylic acid and methyl acetate to be produced in this process. Show calculations. Hint: you can determine the grams of 1 mL of Methanol through its density.
NUMBER FOUR PLEASE, not three cause that was answered previously
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A sample of rainwater was collected from four separate locations across theMetroplex. Each sample was measured once by two separate methods for the presence ofsulfate. Determine whether the two methods are equivalent with respect to giving thesame answer for [SO42-].
Note: This is an algorithm question so each attempt will have unique set of measurements. The following results were obtained when a sample of white cranberry juice was analyzed to determine its Vitamin C content. A 82.0 mL sample of the juice was placed in a flask with excess H2SO4, excess KI, and 11.00 mL of 0.07 000 M KIO3. Titration with thiosulfate solution required the use of 1.63 mL of 0.08826 M. Calculate the concentration of Vitamin C in the juice sample as mg Vit C per 100 mL juice. Here are some steps to help you work your way along the problem. All the reactions in the Background apply. • How many total millimoles of I are produced from the Reaction 4 between KI and KIO3? • How many millimoles of I are consumed in Reaction 3 with thiosulfate? . Using your previous two answers, how many millimoles of I reacted with the Vitamin C in the juice? • How many milligrams of Vitamin C were in the juice sample? • What is the concentration of Vitamin C in the juice sample expressed as…
This series demonstrates a drop-by-drop addition of 0.5 M barium chloride solution (???? ) to 0.5 M sodium carbonate solution (?? ?? 1. 1. What observations indicate that a chemical reaction has occurred? 2. Break up the reactants into ions. Switch the cations. Use the “criss-cross” method to get the balanced formulas for the products. Write the balanced molecular equation for this reaction, including phase labels. 3. Write the complete ionic equation for this reaction. 4. Write the net ionic equation for this reaction. 5. What is the precipitate?
Suppose i want to manufacture concentrated bubble liquid for bubble guns. Now i want the master formula or working formula how to make this concentrated bubble liquid? What are the ingredients along with concentration ans step by step procedure how to make it? I want to make 10 ml concentrated bubble liquid for this please give a master formula? I will rate you positive if you do this. Please don't use AI for answering this question.

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