Interpretation:
Molarity of CaCO3 solution have to be calculated.
Concept Introduction:
The composition of a solution can be defined by expressing its concentration. The concentrations of solutions can be expressed in different ways, which are involved in the quantity of solute and the quantity of solution or solvent. Various methods are used to describe the concentration of the solution quantitatively. Some commonly used quantitative concentration terms are percent by mass, percent by volume, molarity, molality and mole fraction.
Molarity: Molarity is defined as the number of moles of solute present in one liter of the solution.
In expression,
Again
Answer to Problem 71A
The molarity of CaCO3 solution is 0.571.
Explanation of Solution
Data given: Mass of CaCO3 = 15.7 gm
CaCO3 is dissolved in 275 mL water. So, volume of CaCO3 solution = 275 mL = 0.275 L
(Note: Molecular weight of CaCO3 = 100.01 gm/mol)
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