Time on hotplate (min) 60, 66, 68, 75, 85, 95, Mass of ZnCO3 + Filter paper (g) 3.7123, 2.7035, 2.6574, 2.5213, 2.3548, 2.239 Use the following data table and steps a-d below to calculate the concentration of the zinc carbonate. The mass of the filter paper alone (no ZnCO3) was 1.3457 g. The ZnNO3 solution (10.00 mL) was mixed with 15.00 mL of the 1.00 M Na2CO3. Calculate the mass of zinc carbonate formed.  How many moles of zinc carbonate formed?  Calculate the moles of zinc in the zinc nitrate solution used.  Calculate the concentration of the zinc in the zinc nitrate solution.

Appl Of Ms Excel In Analytical Chemistry
2nd Edition
ISBN:9781285686691
Author:Crouch
Publisher:Crouch
Chapter14: Chromatography
Section: Chapter Questions
Problem 9P
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Time on hotplate (min)

60, 66, 68, 75, 85, 95,

Mass of ZnCO3 + Filter paper (g)

3.7123, 2.7035, 2.6574, 2.5213, 2.3548, 2.239

Use the following data table and steps a-d below to calculate the concentration of the zinc carbonate. The mass of the filter paper alone (no ZnCO3) was 1.3457 g. The ZnNO3 solution (10.00 mL) was mixed with 15.00 mL of the 1.00 M Na2CO3.

  1. Calculate the mass of zinc carbonate formed. 

  2. How many moles of zinc carbonate formed? 

  3. Calculate the moles of zinc in the zinc nitrate solution

    used. 

  4. Calculate the concentration of the zinc in the zinc

    nitrate solution. 

 

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