Hydrogen and oxygen combine in the ratio of 1:8 by mass to form water. What mass of oxygen is required to react completely with 4g of hydrogen?

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Solution

The correct option is B 32
$H_{2} O$
Hydrogen : Oxygen
1 : 8
4g : ?
1g of H ≡ 8 g of O
4g of H ≡ 4 × 8 g
=32g
Hence, 32g of oxygen is required to react completely with 4g of hydrogen.

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Hydrogen and oxygen combine in the ratio of 1:8 by mass to form water. What mass of oxygen is required to react completely with 4g of hydrogen?

The correct option is B 32H2O Hydrogen : Oxygen 1 : 8 4g : ? 1g of H ≡ 8 g of O 4g of H ≡ 4 × 8 g =32g Hence, 32g of oxygen is required to react completely with 4g of hydrogen.

The correct option is B 32
$H_{2} O$
Hydrogen : Oxygen
1 : 8
4g : ?
1g of H ≡ 8 g of O
4g of H ≡ 4 × 8 g
=32g
Hence, 32g of oxygen is required to react completely with 4g of hydrogen.