
Interpretation: The mass of calcium carbonate precipitated needs to be determined.
Concept Introduction:
The molarity is the number of moles of the solute dissolved per liter volume of the solution. It is represented in mathematical term such that,
Where, n is the number of moles,
V is the volume of the solution.

Answer to Problem 37A
The mass of the calcium carbonate which gets precipitate is
Explanation of Solution
Given information:
Volume of the calcium chloride is,
Volume of the sodium carbonate,
Molarities of calcium chloride and sodium carbonate are
Molar mass of calcium carbonate is
Calculation:
The number of moles is given as,
By substituting the given values in the above formula and then the result is,
The number of moles of calcium chloride is,
Similarly, the number of moles of sodium carbonate,
The number of moles is always conserved during the dilution. Therefore, the number of moles of calcium carbonate is
So, the mass of the calcium carbonate is,
The mass of calcium carbonate is
Chapter 15 Solutions
World of Chemistry, 3rd edition
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