What is the percent by mass of oxygen in al2o3 ?

Chemistry

1 answer:

Snezhnost [94]4 years ago

4 0

mr oxygen= 16. 16 x 3= 48
mr Al2O3= 27 + 27 + 48= 102

(48/102) X 100%= 47.05% oxygen

You might be interested in

What did Robert Millikan's oil drop experiment prove?

creativ13 [48]

Robert Millikan's oil drop experiment proved that it determined the actual mass of the electron. Robert Millikan was a well known experimental physicist.

6 0

3 years ago

Read 2 more answers

What happens to the particles in hot water when it cools down

gizmo_the_mogwai [7]

Answer:

its particles slow down and come closer together.

3 0

2 years ago

Balance the following and label what type of reaction is taking place:

Vadim26 [7]

4,27,20,18

I hope this helps.

3 0

3 years ago

A pea plant has two dominant alleles for plant height – tall. We say that this plant is?:

Irina-Kira [14]

I think the answer is codominant??

3 0

3 years ago

Both pyrrole and pyridine are aromatic compounds, and undergo electrophilic aromatic substitution (EAS). Using a resonance argum

soldi70 [24.7K]

Answer:

See attached picture for both electrophillic substitution in pyrole and in pyridine.

Explanation:

5 0

3 years ago