How many moles of that product R are formed?
How many grams of Q are formed if its M.W. is 84.0 gram/mole?
If a 0.64 mole of B is reacted with excess A according to the following reaction: 2A+7B -> 4Q+5R?
2017-10-04 11:58 pm
回答 (1)
2017-10-05 12:42 am
✔ 最佳答案
2A + 7B → 4Q + 5RMole ratio B : Q : R = 7 : 4 : 5
No. of moles product R formed = (0.64 mol) × (5/7) = 0.457 mol
No. of moles of product Q formed = (0.64 mol) × (4/7) = 2.56/7 mol
Mass of product Q formed = (2.56/7 mol) × (84.0 g/mol) = 30.7 g
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