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

question 57

Multiple Choice

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

---

Definitions:

Monthly Payments

Regular payments made once a month, often in the context of repaying loans or mortgages.

Borrow

The action of receiving something from another party with the intention of returning it or its equivalent at a later date.

Ordinary Annuity

A series of equal payments made at regular intervals over a specified period of time, with interest compounding at the end of each period.

Compounded Quarterly

Pertains to the process of calculating interest on a principal sum where the interest is added to the principal at the end of every quarter, thus interest in the next quarter is then earned on the new total.