Chemistry, asked by A51Shona, 1 day ago

Calcium and oxygen combine in the ratio of 5:2 by mass. What mass of oxygen will combine 20g of calcium?

Answers

Answered by Akashisbrainliest

1

Answer:

8g

Explanation:

Ratio =5:2

let x mass of oxygen be combined

then

5/2=20/x

=8g

Mark as BRAINLIEST

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