Question

How many moles are in 230.00 g of aluminum oxide?

2.26moles
0.44moles
23450 moles

Answer 1

@AZ would you mind getting this one

Answer 2

Sure!

Answer 3

yea i really need help

Answer 4

Do you know how to find the molar mass of a compound?

Answer 5

no

Answer 6

We have to use the periodic table

Answer 7

Aluminum oxide is \( \text{Al}_2\text{O}_3\)

What is the atomic weight of aluminum?
Find aluminum on the periodic table.

Answer 8

im lost swwy

Answer 9

Do you see this corner of the periodic table?

Answer 10

yes

Answer 11

Aluminum has an atomic weight of 26.982
Oxygen has an atomic weight of 15.999

Answer 12

never mind i got it thxx

Answer 13

Aluminum oxide is \( \text{Al}_2\text{O}_3\)

We have 2 aluminum so what is 2 * 26.982
We have 3 oxygen so what is 3 * 15.999