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BlackZzzverrR [31]
3 years ago
9

The mass of Mg in Mg (OH)2 in its 10.2 gms is

Chemistry
1 answer:
maksim [4K]3 years ago
6 0

Answer:

<h3>The answer is 4.22g</h3>

Explanation:

To calculate the mass of Mg in the sample we must find the molar mass of Mg divide it by the molar mass of the sample and multiply it by the total mass of the sample

Molar mass (M) of Mg = 24g/mol

M of Mg (OH)2 = 24 + 2( 16 + 1)

= 24 + 34

= 58g/mol

Mass of Mg in Mg (OH)2 is

\frac{24}{58}  \times 10.2g \\  = 4.22g

Hope this helps you.

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