Question

Hydrogen and oxygen combine in the ratio 1 is to 8 by mass to form water what mass of oxygen gas would be required to react completely with 3 grams of hydrogen gas

Answer 1

Answer:

24 gm

Explanation:

As the ratio is given So,

1/8 = 3/x

So, x = 8 × 3 = 24 gm

Answer 2

Here , we have been given that Hydrogen and Oxygen always combine in the fixed ratio of 1 : 8 by mass. This means that :

1 g of Hydrogen gas requires = 8 g of Oxygen gas

So , 3 g of Hydrogen gas requires = 8 * 3 g of Oxygen gas

= 24 g of Oxygen gas

Thus , 24 grams of Oxygen gas would be required to react completely with 3 grams of Hydrogen gas.