Question

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Answer 1

Answer:

Gram Molecular mass of CO2

is = 12+32=44g /mol =GM

No. Of moles =Given mass

- - - - - - - - -

GM

=176/44= 4mol

Moles of CO2 left =4-0.5=3.5

Therefore, 3.5 moles of CO2 left.

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