Question

Calculate mass of carbon present in 2g of CO2

Answer 1

44g of Co2 =12g of carbon
1g of co2= 12/44g of carbon
2g of co2= (12/44)2
2g of co2 =0.5g

Answer 2

Given:

Weight of Carbon dioxide $(CO_2)$= 2g

To find:

Mass of carbon present in 2g of $CO_2$ = ?

Calculation:

First calculate the molecular mass of $CO_2$

Molecular mass = 1 (Atomic mass of C) + 2 (Atomic mass of O)

Molecular mass = 1(12)+2(16)

Molecular mass = 12+32

Molecular mass = 44g.

From the molecular mass calculation it is inferred that 12 g of carbon is present in 44g of carbon.

∴ 2g of carbon dioxide contains

= $\frac{12}{44}\times2$

$= \frac{6}{11}$

= 0.52g

Conclusion:

Mass of carbon present in 2g of $CO_2$ is 0.52g.

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