Neco Model Questions Vol1 2025 Chemistry Question 42
Practice objective / multiple choice question 42 from the 2025 Neco Model Questions Vol1 Chemistry examination.
When 10.0 g of ammonium dichromate \((\text{NH}_4)_2\text{Cr}_2\text{O}_7\) is heated, it decomposes according to \((\text{NH}_4)_2\text{Cr}_2\text{O}_7(s) \rightarrow \text{Cr}_2\text{O}_3(s) + \text{N}_2(g) + 4\text{H}_2\text{O}(g)\). If the reaction proceeds with a percent yield of 78 %, calculate the mass of \(\text{Cr}_2\text{O}_3\) obtained.
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This is Neco Model Questions Vol1 2025 Chemistry Question 42. It is one of the objective questions from the 2025 Neco Model Questions Vol1 Chemistry examination.
Difficulty level: Medium .
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