5Question 33How many grams of NaCl do you need to make a 125 mL of a 1.20 M solution?Place final answer in the space provided - don't forget units! You will be requireSHOW YOUR WORK. Please take a picture of your "Question #show your work"to receive full marks for this question.NQuestion 34If a helium filled balloon with a a volume of 1.20 L is taken from being in the sun on ahot summer day (temperature in sun = 40° C) and put in the fridge at 5.00°C, whatwill the new volume be?Place final answer in the space provided - don't forget units! You will be requireSHOW YOUR WORK. Please take a picture of your "Question #...show your workto receive full marks for this question.A

Dear student since you have asked multiple questions but according to guidelines we will solve 1st…

How many grams of NaCl do you need to make a 125 mL of a 1.20 M solution? Place final answer in the space provided - don't forget units! You will be require SHOW YOUR WORK. Please take a picture of your "Question #show your work" to receive full marks for this question. A

How many grams of NaCl do you need to make a 125 mL of a 1.20 M solution? Place final answer in the space provided - don't forget units! You will be require SHOW YOUR WORK. Please take a picture of your "Question #show your work" to receive full marks for this question. A

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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Equal volumes of Solutions 2 and 3 were mixed in the lab. Suggest a measurement that could be made in the lab to provide evidence that a chemical reaction occurred when Solutions 2 and 3 were mixed.
SHOW YOUR WORK! Use conversion factors to determine the answers to the Following questions. Do not forget sig figs & units. 35. The molarity of a solution with 9.00 grams of potassium carbonate (K2CO3). in enough water to make 67.0 ml of solution is? (3 sig figs)
You are asked to prepare a 1.000 L solution of 4.5 M you commit a user error while preparing this solution. Assumed volume Volumetric error Preparation details Added water 2.0 cm above the line, which corresponds to 8.2 mL (0.0082 L) additional solution volume C6H12O6 (glucose; molar mass = 180.16 g/mol) in a lab by dissolving 811.0 g of glucose in water. Consider the following two scenarios in whic Prepared in a beaker Prepared in a volumetric flask 1.000 L You add the glucose to a volumetric flask and then add water until it dissolves. The water bottle you are using has a worn tip, and you inadvertently add too much water such that the meniscus is above the line. The diameter of the neck of the volumetric flask is 2.29 cm. 811.0 g glucose Concentration: You decide to evaluate and compare the errors you made while preparing the solutions using the different methods. Calculate the actual concentrations of the intended 4.5 M glucose solutions prepared by each method based on their…
A student prepares a 0.38 mM aqueous solution of crotonic acid (C,H,CO,H). Calculate the fraction of crotonic acid that is in the dissociated form in his solution, Express your answer as a percentage. You will probably find some useful data in the ALEKS Data resource. Round your answer to 2 significant digits. % 0.2
. Prepare 50 mL of an aqueous solution of 2.5% (w/v) NaCl (sodium chloride, salt).Determine how many grams of sodium chloride are required. Show all steps for this calculation, using dimensional analysis with units clearly identified.2. Prepare this aqueous solution, using a volumetric flask for the precise final volume measurement. It is not a problem to use tap water.3. Clearly write the procedure (step by step) for making this solution
Part 1: A solution of sulfuric acid was made by dissolving 20.0g of 98% sulfuric acid in 250mL of water. (H2SO4 = 98.078 g/mol; H2O = 18.015 g/mol)Answer these items 1-4 for part 1:1. Express the concentration of this solution in % by weight. Additional information for items 2-3: What if the solution has a total volume of 262mL?2. Express the concentration in molarity3. Express the concentration in normality4. Express the concentration in molality Part 2: An alcohol, Ethanol (C2H5OH), is present in 1L of wine that is 12% alcohol by volume. The density of the solution is 0.984 g/mL, and the density of pure alcohol is 0.789 g/mL. (C2H5OH = 46.07 g/mol)Answer these items 1-2 for part 2:1. What is the weight of the alcohol present in wine?2. What is the molarity of the solution?
I need help calculating the moles of acid and basebised and also the molarity of the base solution oles RECORD ALL DATA IN INK using the correct number of significant figures and correct units. SHOW COMPLETE "SET-UPS" (and the rounding off) for all calculations for Part 3 on the bottom of this page or on a separate sheet. 3. Standardization of the NaOH Solution: Titration No. Acid buret, Final reading Initial reading Volume of acid used Moles of acid used Base buret, Final reading Initial reading Volume of base used Moles of base used Molarity of base solution Set-ups: 1 2 3 24ml 36. 24ml 12- 12 m 12ml Average Molarity of the NaOH solution Average Deviation 13 25.5 13 13 12.5ml 12 mil. 31.5 4 5 6
You have 100 mL of solution that contains 2.15% (w/v) sodium citrate in water. You need to dilute this solution to a final concentration of 0.30% (w/v). What must the total volume of the solution be after adding water? How much water will you add? (Enter your answer to two significant figures.) total volume of solution mL volume of water added mL
A certain substance X has a normal freezing point of -1.1 °C and a molal freezing point depression constant K = 2.14 °C-kg-mol by dissolving some urea ((NH2),CO) i in 650. g of X. This solution freezes at -3.2 °C. Calculate the mass of urea that was dissolved. Round your answer to 2 significant digits. X $ 1 A solution is prepared
To prepare the solution you would place the solute in a 50.0 ml volumetric flask, and then fill to the mark with water while mixing. This would give a total solution volume of 50.0 ml. The 5.0 solution needs to be diluted to make 10.0 ml of a 2.0% solution. What volume of 5.0% solution should be used? Please answer fast i give you upvote.
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