Question

Calculate mass of so2 gas which will contain same number molecules present in 4.4g of co2

Answer 1

Answer:

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Explanation:

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Answer 2

Given: Some mass of sulfur dioxide gas contains the same number of molecules present in 4.4g of carbon dioxide gas.

To find: We have to find the mass of sulfur dioxide.

Solution:

The chemical formula of carbon dioxide is $CO_2$.

The molecular mass of carbon dioxide is 44 grams.

Thus 44 grams of carbon dioxide contains $N_A$ number of molecules.

So, 4.4 grams of carbon dioxide contains $4.4/44×N_A=N_A/10$ number of molecules.

The chemical formula of sulfur dioxide is $SO_2$.

The molecular mass of carbon dioxide is 64 grams.

Thus 64 grams of sulfur dioxide contains $N_A$ number of molecules.

So, $N_A/10$ number of molecules have a mass of

$N_A \times 64 \times \frac{1}{N_A \times 10} \\ = 6.4$

The mass of sulfur dioxide is 6.4 grams.