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Percent Yield BW

Last updated 2 days ago

7 questions

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Question 1

1.

What are the coefficients that balance the following equation: (Use commas to seperate the coefficients)

CuS + O2 --> CuO + SO2

Question 2

2.

What is the molar mass of cupric sulfide?

Question 3

3.

What is the molar mass of oxygen, O2?

Question 4

4.

What is the molar mass of cupric oxide?

Question 5

5.

A chemist reacts 145g of CuS and 115g of O2, what mass of CuO is produced?

Question 6

6.

Which reactant was limiting from the reaction in #1?

Question 7

7.

If the chemist actually produced 82.2 g of CuO, what is the percent yield of CuO?