Answers CR SS Chemistry S2 201819 2026 Measures of Concentration: MolarityQuestion 3

3

QuizMultiple Choice

Measures of Concentration: Molarity

Question 3 • CR SS Chemistry S2 2018/19 2026

Which solution is the most concentrated?

Answer

A

2.0 mL of 10 M H2SO4, where H2SO4 has a molar mass of 98 g/mol

B

5.0 mL of 1.0 M PbSO4, where PbSO4 has a molar mass of 303 g/mol

C

2.0 mL of 10.5 M H2O2, where H2O2 has a molar mass of 34 g/mol

D

100 mL of 10 M NaCl, where NaCl has a molar mass of 58 g/mol

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