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(a) Describe any two applications of the concept ‘percent composition by mass' in everyday life.

You are to give ampicillin with a recommended dose of 25mg/kg to a child with a mass of 29kg. if stock on hand is 250mg/capsule how many capsules should be given?

What is the ima of the 1 st class lever in the graphic given? 2 3 0.5

(1.6 × 10-19)(5.0 × 106) = c × 10d identify the missing numbers below to show the result of multiplying the numbers.