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Ordered: 0.4 mL of potassium iodine expectorant. Available: The label reads 325 mg per/ teaspoon (t)....

Ordered: 0.4 mL of potassium iodine expectorant.

Available: The label reads 325 mg per/ teaspoon (t).

How many milligrams are contained in the 0.4 mL dose?

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Answer #1

Ordered dose of potassium iodine expectorant.is 0.4ml .

Available dose of potassium iodine is 325 mg per/ teaspoon (t).

1teaspoon is equal to 4.9ml

So, 4.9ml of solution contains 325mg of potassium iodine.

Using unitary method :-

4.9 ml of solution has 325mg of potassium iodine

1ml of solution has 325mg/4.9 ml of potassium iodine

Then 0.4ml of solution has 325/4.9 × 0.4mg = 26.5mg

26.5 mg of potassium iodine is present in 0.4ml of available solution of potassium iodine.

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