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molarity of HCl solution which is 1.825% (w/v) is?

Asked by arup.isro 4th June 2018, 8:05 PM
Answered by Expert
Answer:
1.825 % (w/v) means 1.825 g of HCl in 100 ml.
 
Molar mass of HCl = 36.5
 
No. space of space moles space of space HCl space in space 100 space ml space of space solution space equals space fraction numerator 1.825 over denominator 36.5 end fraction

space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals 0.05 space mole

No. space of space moles space of space HCl space in space 1000 space ml space of space solution equals space fraction numerator 0.05 cross times 1000 over denominator 100 end fraction

space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals space 0.5 space straight M
 
Molarity of HCl solution is 0.5 M
Answered by Expert 5th June 2018, 10:48 AM
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