Potassium iodide (KI) is used to treat iodine deficiencies. What is the %(w/v) of a 45 mL solution containing 4.2 g of KI?

Question

Potassium iodide (KI) is used to treat iodine deficiencies. What is the %(w/v) of a 45 mL solution containing 4.2 g of KI?

Answer 1

4.2 g KI/45 ml = 0.0933 g/ml x 100 ml = 9.3% w/v KI