What is the mass in grams of one acetic acid molecule, ch_3cooh?
a. 3.61 x 10^{25}
b. 60.0
c. 9.97 x 10^{-23}
d. 7.31 x 10^{-23}
e. 6.02 x 10^{-23}

C. 9.97×10⁻²³

Explanation:

The molar mass is defined as the mass in grams of 1 mole of the molecule.

The molar mass of acetic acid is 60.052 g/mol.

Which means that:

1 mole = 6.023×10²³ molecules.

So,

6.023×10²³ molecules of acetic acid weighs 60.052 g.

Thus,

1 molecule of acetic acid weighs 60.052/6.023×10²³ g.

The mass of 1 molecule of acetic acid = 9.97×10⁻²³ g.

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