AP Chemistrymediummcq1 pt
What mass of NaCl is needed to make 500.0 mL of 0.200 M solution? (NaCl = 58.44 g/mol)
A.5.84 g
B.58.4 g
C.11.7 g
D.2.92 g
Explanation
Core Concept
Moles = M × V = 0.200 mol/L × 0.5000 L = 0.100 mol; mass = 0.100 mol × 58.44 g/mol = 5.84 g.
Correct Answer
A5.84 g
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