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Grade: 12th pass

                        

If 200ml of 0.1M KHC2O4, 300 ml of 0.2 M H2C2O4 and 500ml of 0.3 M of NaCl is neutralised by 140ml of Ca(OH)2 .What is its molarity?Answer: 0.5

4 years ago

Answers : (1)

Vikas TU
12154 Points
							
Apply M1 V1 V.f = M2 V2 V.f
0.1*200*1 + 0.2*300*2 + 0.3*500*1 = M*140*2
calculat M here by solving this equality.
4 years ago
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