Question

In a chemical reaction, exactly 2 mol of substance A react to produce exactly 3 mol of substance B. 2 A 3B How many molecules of substance B are produced when 29.8 g of substance A reacts? The molar mass of substance A is 22.4 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: molecules

In a 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 29.8 g of substance A reacts? The molar mass of substance A is 22.4 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 molecules of B:

Answer 1

QA B © moles of A = weight = 29.8 molar mass 2214 = 11:33 mol 6 from stoichiomeby; 2 moles of a react - to produce = 3 meses of B % moles moles of A of B produced from 1.33 = 3 *1.33 = 1.995 mol moles of B © molecules of B= moles X. NA = 1.995 X 6.63 x loups = 112.0099 x 1023 molecules Ž 12.00 x 1023 molecules