Molar mass of h2co3
Total molar mass for hydrogen atoms
Total mass for carbon atoms
Total molar mass for oxygen atoms
Hydrogen percent composition
Oxygen percent composition

1. molar mass of h2co3: 62.03 g

2. total molar mass for hydrogen atoms: 2.02 g

3. total molar mass for carbon atoms: 12.01 g

4. total molar mass for oxygen atoms: 48.00 g

5. hydrogen percent composition: 3.3%

6. oxygen percent composition: 77.4%

Explanation:

1. 1.01+1.01+12.01+16.00+16.00+16.00= 62.03

2. 1.01×2= 2.02

3. 12.01×1= 12.01

4. 16.00×3= 48.00

5. (2.02/62.03)×100= 3.3%

6. (48.00/62.03)×100= 77.4%

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