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allochka39001 [22]
3 years ago
15

Can you please help. I don't know how to do it.

Chemistry
1 answer:
Rainbow [258]3 years ago
3 0

The area used to be covered by an ocean

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The molar mass of Cr(OH)2 is:
son4ous [18]

The molar mass of Cr(OH)_2 is 86.02 g/mole .

<h3><u> Explanation:</u> </h3>

The molar mass of a chemical compound is represented as the mass of a unit of that compound separated by the number of substances in that unit, measured in moles. The molar mass is a volume, not molecular, the property of a substance.

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