Interpretation: The mass in grams for magnesium sulfate needed to make 100 mL of 0.1 M solution needs to be determined.
Concept Introduction: Mole concept is used to calculate the moles, mass, number of atoms and moles of a compound. The relation between these values can be shown as:
The relation between concentration and moles is as given below;
Answer to Problem C15.8RE
Explanation of Solution
Given information:
Volume of solution = 100 mL = 0.100 L
Molar mass of MgSO4 = 120 g/mol
Concentration = 0.1 M
Substitute the values to calculate the molarity:
Thus,
Chapter U4 Solutions
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