The drain cleaner,drainex contains small bits of aluminium which reacts with caustic soda to produce dihydrogen. The volume of dihydrogen at 20 degree C and one bar will released when 0.15g of aluminium reacts is
Answer (1)
17th May, 2020
Hello!!!
Hope you are doing great!!!
As per your question,the chemical equation will be as follows:
2Al+2NaoH+2H2O gives rise to 2NaAlO2+3H2
2*27gms of Al = 6gms of H2
0.15gms of Al = ?
weight of H2 produced = 0.15*6/2*27
= 1/60 gms of H2
By using Ideal gas equation,
PV=nRT
where P=pressure
V=volume
R=universal gas constant=0.8314
T=temperature in kelvin
PV=nRT
1*V=(1/60*2)*(0.8314*293)
V=(1/120)*(23.44)
V=23.44/120
V=0.195lit
Hope it helps!!!!!!
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