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Rama09 [41]
2 years ago
7

What is the mass of 0.80 moles of Mg? (1 point)

Chemistry
1 answer:
Aneli [31]2 years ago
6 0

Answer:

m = 19 grams

Explanation:

Given that,

No. of moles, n = 0.8

The molar mass of magnesium, M = 24.305 u

We need to find the mass of 0.80 moles of Mg. We know that given mass to the molar mass is equal to no of moles. Let the mass is m. So,

n=\dfrac{m}{M}\\\\m=n\times M\\\\m=0.8\times 24.305 \\\\m=19.444\ \text{grams}

or

m = 19 grams

So, the mass of 0.8 moles of Mg is 19 grams.

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