Mg mg tab 05 150 1 1 75 × = MASTERY PROBLEM 2 The doctor orders Zovirax 1g The stock supply is 0mg tablets How many tablets will you give?1 MG x 4 lb/gal x 11 mg/L = 9174 lb Chlorination –box 2 Example If a new storage tank measured 40 ft in diameter and were 30 ft tall, how many pounds of chlorine gas would be needed to – questions which require W = mg are all mixed up with questions that require W/g=m and g = W/m The process I want students to be practising is to (1) write the equation in letters (or words) in the form they've memorised (so W=mg for this one), (2) substitute, and THEN (3) change the subject if needed
Elevator Problem