Question

hydrogen and oxygen combined in the ratio of 1:8 by mass what mass of oxygen would required to react completely with 12 gm of hydrogen ​

Answer 1

Answer:

It is given that the ration of hydrogen and oxygen by mass to form water is 1:8. Then, the mass of oxygen gas required to react completely with 1g of hydrogen gas is 8g. Therefore, the mass of oxygen gas required to react completely with 3g of hydrogen gas is = 8 x 3g=24g.

Answer 2

Answer:

48 grams would be required

Explanation:

take hydrogen permanent value 2 grams

now new value 12g which is multipled by 6

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