Question

Nine grams of aluminium reacts with sixteen grams of X.Eight grams of X can react with how many grams of hydrogen(assuming valency of X is same in both the compounds

Answer 1

Al : X = 9 : 16  ...... (i)

Al : H = 27 : 3 ..... (ii)


Multiply (i) by 3

Al : X = 27: 48

Al : H = 27: 3

⇒ X : H = 48 : 3 = 16 : 1

16g og X react with 1g of H



∴ 8g of X = (8 x 1)/16

               = 0.5 g

Answer 2

Answer:

Explanation:

Al : X = 9 : 16 ...... (i)

Al : H = 27 : 3 ..... (ii)

Multiply (i) by 3

Al : X = 27: 48

Al : H = 27: 3

⇒ X : H = 48 : 3 = 16 : 1

16g og X react with 1g of H

∴ 8g of X = (8 x 1)/16

= 0.5 g