Answer to Question #205234 in Chemistry for Sarah

Question #205234

How many moles are there in 20.0 grams of Al2(CO3)3

1
Expert's answer
2021-06-10T03:33:10-0400

The number of moles can be calculated using the following equation:

n(Al2(CO3)3) = m(Al2(CO3)3) / Mr(Al2(CO3)3)

where n - number of moles, m - mass, Mr - molecular weight.

From here:

n(Al2(CO3)3) = 20.0 g / 234 g/mol = 0.085 mol


Answer: 0.085 mol

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