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Chemistry, 22.07.2019 21:40 kseniyayakimov
Na chemical reaction, exactly 2 mol of substance a react to produce exactly 3 mol of substance b. 2a⟶3b how many molecules of substance b are produced when 27.6 g of substance a reacts? the molar mass of substance a is 27.8 g/mol. step 1: convert the mass of a to moles. moles of a: mol step 2: convert the number of moles of a to the number of moles of b. moles of b: mol step 3: convert the number of moles of b to molecules of b. molecules of b:
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Na chemical reaction, exactly 2 mol of substance a react to produce exactly 3 mol of substance b. 2a...
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