Question

4gms of hydrogen are ignited with 4gms of oxygen the weight of water formed is

Answer 1

• 4 g Hydrogen requires 32 g oxygen for complete oxidationbut we have only 4 g oxygen,so oxygen is the limiting reagent
• 32 g oxygen gives 36 g water

4 g oxygen gives,

weight of water=(36×4)/(32)

=4.5g

Answer 2

66&67+56+465+546*=*7~(5~