Full Adaptive Learning Objectives Mastery POWERED BY KNEWTON 1 2 3 2 Learning Objective: 8.C Quantify mass and number of moles in solutions given their concentrations. Adaptive Assignment O See page 336 Question 1st attempt Jl See Periodic Table O See Hint A concentrated solution of HF has a molarity of 9.75 M. You add 31.00 mL to a flask and then dilute with water. The mass of the final solution is 125.0g. What is the mass percent of HF? < 12 > A SUBMIT ANSWER MacBook Air 1421 888 F4 FS F6 F7 FO 19 $10 F3

Full Adaptive Learning Objectives Mastery POWERED BY KNEWTON 1 2 3 2 Learning Objective: 8.C Quantify mass and number of moles in solutions given their concentrations. Adaptive Assignment O See page 336 Question 1st attempt Jl See Periodic Table O See Hint A concentrated solution of HF has a molarity of 9.75 M. You add 31.00 mL to a flask and then dilute with water. The mass of the final solution is 125.0g. What is the mass percent of HF? < 12 > A SUBMIT ANSWER MacBook Air 1421 888 F4 FS F6 F7 FO 19 $10 F3

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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Moles, Mass and Number of Particles Activity Part A: Complete the chart by calculating the missing information. Use your orange Periodic Table and round significant figures accordingly. Pro tip! If you are using a calculated value in a subsequent calculation, keep at least an extra 2 significant figures in your calculation, and round your final answer. Contents Bag # Write Chemical Formula Calculate Molar Mass Mass (g) # of moles (g/mol) Manganese (IV) oxide 1 MnO₂ 86.94g/mol 12.08g(1 mol/86.94g) =0.1390 mol Sulfur 2 Copper 3 1.70 mol Sodium Bicarbonate Carbon 1.89 mol Zinc Sodium Chloride Barium Chloride 0.264 mol Lactose S 4 5 6 7 8 9 12.08 g 12.10 g 16.8 g 39.49 g 3.400 g 110.8 g # of particles (atoms/molecules/ions/formula units as indicated) # oxide ions 0.138946mol(6.022 x 10²¹ formula units/1 mol)(2 oxide ions/formula unit) = 1.673 x 10¹ oxide ions. # atoms (total) #atoms # sodium atoms #atoms #atoms (total) #formula units #chloride ions #atoms (total)
Give good solution ASAP thanks For the each element, convert the given mole amount to grams. a) How many grams are in 0.0364 mol of sodium? mass: g b) How many grams are in 0.450 mol of nickel? mass: g c) How many grams are in 0.790 mol of selenium? mass: g
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If 19.5 grams of an aqueous solution of magnesium sulfate, MgSO4, contains 1.71 grams of magnesium sulfate, what is the percentage by mass of magnesium sulfate in the solution? % MgSO4 Submit Answer Retry Entire Group 9 more group attempts remaining
Answer with steps.