For chemistry HW last problem

Question

If a drug has to be administered at 650 mg per kilogram of body mass, how many mg do you administer to a 350 kg moose?

Answer 1

Hello, Benjamin,

The drug's dosage instructions say the noose should get 65mg/kg of moose. This is a conversion factor. It tells us the mg/kg ratio for the drug.

The moose weighs 350kg. The amount of drug required is then:

65mg/kg * (350 kg) = 22,750mg. This can also be expressed as 22.750 grams. But were are limited to 2 sig figs (the 65), so the correct answer is 23,000 mg.

Bob

Answer 2

650 mg / (1 kg) ×350 kg = 227500mg of drug or

2.3 ×10^{^ 5 mg}

Answer 3