A solution is made by dissolving 3.88 g of NaCl in enough water to make 67.8 mL of solution. What is the concentration of sodium chloride in units of weight/volume percent?
A) 5.41% (w/v) NaCl
B) 94.3% (w/v) NaCl
C) 5.72% (w/v) NaCl
D) 0.0572% (w/v) NaCl
Correct Answer:
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B)Suspension
C)Colloid
D)They
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A)PbBr2
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Q20: Which substance is a nonelectrolyte?
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B)(NH4)2SO4
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