Question

Q4 Calculate the no of moles and no of molecules in
a) 44 g of CO2
b) 51g of ammonia
c) 27g of water

Answer 1

Answer:

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Explanation:

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Answer 2

Answer:

Gram molecular weight of CO

2

= 12+2 × 16 = 44g.

Now, 44g of CO

2

contains 6.023×10

23

molecules.

∴ 11g of CO

2

contains =

44

6.023×10

23

×11

= 1.51×10 23 molecules.

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