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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 171 times)

theo

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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


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Marked as best answer by theo on Jul 8, 2021

Natalie4ever

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theo

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Reply 2 on: Jul 8, 2021
YES! Correct, THANKS for helping me on my review


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Reply 3 on: Yesterday
Gracias!

 

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