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The strength of H2O2 (in g/ litre) in 11.2 volume solution of H2O2 is?

The strength of H2O2 (in g/ litre) in 11.2 volume solution of H2O2 is?

Grade:11

1 Answers

Umakant biswal
5349 Points
7 years ago
@rithesh 
volume strength is an outdated term referring to the volume of oxygen gas liberated from 1 volume of h2o2 solution . 
for example – if the volume strength is 20 volume , it means that 1 cm3 of h2o2 will produce from 20 cm3 of oxygen gas . 
acc to the equation 
2 moles of h2o2 = 22.4 L of oxygen at STP . 
so, by that first of all u have to calculate the MOLARITY of the solution . 
and use the formula 
moles of solute / volume of solution 
and the volume of solution is given as 11.2 
and u ned to calculate the no of moles . 
and use the formula 
mass/ molar mass , or given mass / molar mass 
and findout the no of moles , 
THE STRENGTH CAN BE CALCULATED BY THE FOLLOWING FORMULA 
11.2 * MOLARITY OF THE SOLUTION . 
from the prev formula , u find molaritty and apply it here , u will get the strength 
HOPE IT CLEARS YOUR DOUBT 
IF U NOT ABLE TO FIND THE ANSWER , THEN LET ME KNOW 
ALL THE BEST .. 

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