**DATA**1. **Mass of empty beaker**: 49.7 g2. **Volume of NaCl solution**: 10.0 mL3. **Mass of beaker and NaCl solution**: 62.2 g4. **Mass of beaker and dry NaCl**: 55.2 g---**CALCULATIONS** (show all of your work)5. **Mass of NaCl solution** \[ \text{mass of beaker and NaCl solution} - \text{mass of beaker} \\ 62.2 \, \text{g} - 49.7 \, \text{g} = 12.5 \, \text{g} \]6. **Mass of dry NaCl** \[ \text{mass of beaker and dry NaCl} - \text{mass of beaker} \\ 55.2 \, \text{g} - 49.7 \, \text{g} = 5.59 \, \text{g} \]7. **Mass percent of NaCl solution** \[ \left(\frac{\text{mass of dry NaCl}}{\text{mass of NaCl solution}} \times 100\right) \\ \left(\frac{5.59}{12.5} \times 100\right) = 44.72\% \, (\text{m/m}) \]8. **Mass/volume percent of NaCl solution** \[ \left(\frac{\text{mass of dry NaCl}}{\text{volume of NaCl solution}} \times 100\right) \\ \left(\frac{5.59}{10.0} \times 100\right) = 55.9\% \, (\text{m/v}) \] ### Educational Content on Solution Calculations#### Determination of NaCl Solution Parameters1. **Moles of NaCl:** \[ \text{Moles of NaCl} = \frac{\text{mass of dry NaCl}}{\text{molar mass of NaCl}} \] _______ moles2. **Volume of NaCl Solution in Liters:** \[ \text{Volume of NaCl solution in liters} = \frac{\text{volume of NaCl solution in mL}}{1000} \] _______ L3. **Molarity of NaCl Solution:** \[ \text{Molarity of NaCl solution} = \frac{\text{moles of NaCl}}{\text{liters of NaCl}} \] _______ M#### Questions for Practice1. **Calculate the Mass Percent (m/m):** Calculate the mass percent (m/m) of a MgBr₂ solution that contains 5.80 g of MgBr₂ in 45.0 g of solution.2. **Calculate the Molarity:** Calculate the molarity (moles/L) of a MgBr₂ solution that contains 5.80 g of MgBr₂ in 50.0 mL of solution.*Page 12 of 14*

Given,mass of empty beaker = 49.7 gvolume of NaCl solution = 10.0 mLMass of beaker and NaCl solution = 62.2 gMass of beaker and dry NaCl = 55.2 gMass of MgBr2 = 5.80 gMass of solution = 45.0 gvolume of MgBr2 solution = 50.0 mLAns:)5. mass of NaCl solution = 12.5 g.6. Mass of dry NaCl = 5.5 g7. Mass percent of the NaCl solution = 44.0 %8. Mass/volume percent of the NaCl solution = 55.0 % 9. moles of NaCl = 0.0941 mol10. volume of NaCl solution in Liters = 0.01 L11. Molarity of NaCl solution = 9.41 MMass percent of MgBr2 solution = 12.9 % Molarity of MgBr2 solution = 0.63 M

Science

Chemistry

⠀⠀ DATA 1. Mass of empty beaker 2. Volume of NaCl solution 3. Mass of beaker and NaCl solution 4. Mass of beaker and dry NaCl CALCULATIONS (show all of your work) 5. Mass of NaCl solution (mass of beaker and NaCl solution - mass of beaker) 62.249.79= 6. Mass of dry NaCl (mass of beaker and dry NaCl-mass of beaker) 55.29-49.79 7. Mass percent of NaCl solution (mass of dry NaCl / mass of NaCl solution x 100) 5.59g/12,59 x 100 = 12 49.7 < 11 /14 > 10.0 62.2 55.2 12.5 5.59 44.72 8. Mass/volume percent of NaCl solution (mass of dry NaCl / volume of NaCl solution x 100) 5.59/10.69 x 100 = 55.9 55.9 mL g g % (m/m) % (m/v) O 11

⠀⠀ DATA 1. Mass of empty beaker 2. Volume of NaCl solution 3. Mass of beaker and NaCl solution 4. Mass of beaker and dry NaCl CALCULATIONS (show all of your work) 5. Mass of NaCl solution (mass of beaker and NaCl solution - mass of beaker) 62.249.79= 6. Mass of dry NaCl (mass of beaker and dry NaCl-mass of beaker) 55.29-49.79 7. Mass percent of NaCl solution (mass of dry NaCl / mass of NaCl solution x 100) 5.59g/12,59 x 100 = 12 49.7 < 11 /14 > 10.0 62.2 55.2 12.5 5.59 44.72 8. Mass/volume percent of NaCl solution (mass of dry NaCl / volume of NaCl solution x 100) 5.59/10.69 x 100 = 55.9 55.9 mL g g % (m/m) % (m/v) O 11

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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