Author Question: If the percent yield is 82.0%, how many grams of silicon is needed to make 105 g of chromium by the ... (Read 173 times)

theo · **on:** Jul 8, 2021

Question 1

If the percent yield for the following reaction is 75.0%, and 45.0 g of NO₂ are consumed in the reaction, how many grams of nitric acid, HNO₃(aq), are produced?

3 NO₂(g) + H₂O(l) → 2 HNO₃(aq) + NO(g)

◦ 30.8 g
◦ 41.1 g
◦ 54.8 g
◦ 69.3 g

Question 2

If the percent yield is 82.0%, how many grams of silicon is needed to make 105 g of chromium by the reaction: 3 Si (s) + 2 Cr₂O₃(s) → 3 SiO₂(s) + 4 Cr (l)?
◦ 51.9 g
◦ 92.2 g
◦ 42.5 g
◦ 34.9 g
◦ 13.0 g

Natalie4ever · **Reply #1 on:** Jul 8, 2021

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