A sample of milk is found to have arsenic at a concentration of 3.76 μg/L.What is the concentration in ounces per gallon? 1 qt = 946.4 mL 1 gal = 4 qt 16 oz = 1 lb 1 lb = 0.4536 kg A)2.82 × 10³ oz/gal B)5.02 × 10^-7 oz/gal C)2.59 oz/gal D)4.04 × 10^-4 oz/gal E)3.50 × 10^-8 oz/gal

Question

Quizplus · Accepted Answer

To convert 3.76 μg/L to oz/gal, first convert μg/L to mg/L (3.76 μg/L = 0.00376 mg/L), then to mg/gal using 1 gal = 3.78541 L (0.00376 mg/L * 3.78541 L/gal = 0.0142 mg/gal). Convert mg to oz (1 mg = 3.5274 × 10^-5 oz), resulting in 0.0142 mg/gal * 3.5274 × 10^-5 oz/mg = 5.02 × 10^-7 oz/gal.

A Sample of Milk Is Found to Have Arsenic at a Concentration