Question

How many moles are in 563.9 grams of arsenic?

Answer 1

Answer:

No. of moles, n = 7.52 moles

Explanation:

Given that,

Mass, m = 563.9 grams

Molar mass of arsenic = 74.92 g/mol

We need to find the number of moles in 563.9 grams of arsenic. Let it is denoted by n. It is equal to given mass divided by total molar mass.

$n=\dfrac{563.9 }{74.92}\\\\=7.52\ \text{moles}$

So, there are 7.52 moles in 563.9 grams of arsenic.