Question

A sample of milk is found to have arsenic at a concentration of 3.57g/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) 2.68 x 103oz/gal
B) 4.77 x 10-7oz/gal
C) 2.46 oz/gal
D) 3.84 x 10-4oz/gal
E) 3.32 x 10-8oz/gal

Answer

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