A chemical compound contains 20 hydrogen atoms and has a molecular mass of 34 amu. What is the molecular formula of this compound?

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Multiple choice — select the best answer

A$$H_{20}$$
B$$O{2}$$
C$$N_{2}$$
D$$C{12}H{22}O{11}$$

✓ Correct answer: A. $$H_{20}$$ Answer: $$H_{20}$$ The molecular formula represents the number of atoms of each element in a molecule. Here, the compound is composed entirely of hydrogen atoms (20 atoms).

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A chemical compound contains 20 hydrogen atoms and has a molecular mass of 34 amu. What is the molecular formula of this compound?

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