2 **Chromium Ion Precipitation and Equation Balancing**1. Chromium ions are highly toxic; precipitation and filtration are useful techniques used to remove such ions before pouring the rest of the solution down the drain. Suppose that you chose sodium carbonate to precipitate the chromium ions from a solution of chromium (III) chloride. Write and balance the equation of this double-displacement reaction. Balanced Equation: \[ 3 \, \text{Na}_2\text{CO}_3 + 2 \, \text{CrCl}_3 \rightarrow \text{Cr}_2(\text{CO}_3)_3 + 6 \, \text{NaCl} \]2. If the solution has a volume of 520 mL and the concentration of chromium (III) chloride is 0.224 M, how many grams of sodium carbonate should you add to the solution to precipitate out all the chromium ions?

2) Given that : Volume of solution = 520 mL Concentration of chromium chloride = 0.224 M Mass of…

2. If the solution has a volume of 520 mL and the concentration of chromium (III) chloride is 0.224 M, how many grams of sodium carbonate should you add to the solution to precipitate out all the chromium ions?

2. If the solution has a volume of 520 mL and the concentration of chromium (III) chloride is 0.224 M, how many grams of sodium carbonate should you add to the solution to precipitate out all the chromium ions?

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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**Chromium Ion Precipitation and Equation Balancing**

1. Chromium ions are highly toxic; precipitation and filtration are useful techniques used to remove such ions before pouring the rest of the solution down the drain. Suppose that you chose sodium carbonate to precipitate the chromium ions from a solution of chromium (III) chloride. Write and balance the equation of this double-displacement reaction.

Balanced Equation:
\[
3 \, \text{Na}_2\text{CO}_3 + 2 \, \text{CrCl}_3 \rightarrow \text{Cr}_2(\text{CO}_3)_3 + 6 \, \text{NaCl}
\]

2. If the solution has a volume of 520 mL and the concentration of chromium (III) chloride is 0.224 M, how many grams of sodium carbonate should you add to the solution to precipitate out all the chromium ions?

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