Question

What is the mass of 2.0 moles of LiOH ?

Answer 1

Answer on the question #50209, Chemistry, Other

Question:

What is the mass of 2.0 moles of LiOH?

Solution:

The relation between the mass and the number of the moles is:

$$m = n * M$$

where $m$ – mass of the substance

$n$ – number of the moles

$M$ – molar mass of the substance.

For LiOH:

$$m = 2.0 \cdot (6.941 + 15.999 + 1.008) = 47.896 \approx 48\ g$$

Answer: 48 g

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