A solution contains 4 mg/mL of active ingredient. How many grams are in 1 pint of this solution?
0.0092
0.092
0.92
1.92
1.92
Rationale: Since 1 pint = 480 mL, solve by using this proportion: 4 mg / 1 mL = X mg / 480 mL. X = 1,920 mg x 1/1000 mg, or 1.92 grams.
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