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TGS C3 Atom Economy and Yield Practice JBI

Last updated almost 5 years ago

6 questions

1

1

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1

Question 4

4.

4.1 mg of product is obtained from a theoretical maximum yield of 8.3 mg. Calculate the percentage yield.

1

1

Question 1

1.

What is the atom economy for this reaction to produce ammonia (NH3)
Relative formula mass: N2 : 28, H2 : 2, NH3 : 17

Question 2

2.

Why will the yield from this reaction never be 100%?

Relative formula mass: N2 : 28, H2 : 2, NH3 : 17

Question 3

3.

Calculate the atom economy for this reaction to produce hydrogen gas.

Relative formula mass: CH4 = 16, H2O = 18, H2 = 2, CO = 28

Question 5

5.

If 50 µg is a 2% yield for a reaction, what is the theoretical maximum yield? Give your answer in mg.

Question 6

6.

The maximum theoretical yield for a biochemical manufacturing step is 44 g dm3. A percentage yield of 94% is obtained. What is the actual product yield?