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800 ml .5 molar aq solution of urea id diluted by adding water determine final molarity in each case of following case:A.1.2litre watet is added B.diluted to 3 litre. C.5 times diluted

800 ml .5 molar aq solution of urea id diluted by adding water determine final molarity in each case of following case:A.1.2litre watet is added B.diluted to 3 litre. C.5 times diluted

Grade:11

1 Answers

Umakant biswal
5359 Points
5 years ago
@ ritesh 
i am giving the approach to solve this question . 
if u can recall the gas law , 
m1v1 = m2v2, 
that have to be applied here directly as everything is given . 
m1 is the initial molarity which turns out to be 0.5 
v1 is the initial volume that is 800 
so, u have m1= 0.5 
v1= 800 
v2= 2000 (acc to the question )
m2= we have to find 
in each case use the same formula to get the answer . 
i think U CAN DO THIS QUESTION RIGHT NOW . 
if cannot then let me know , i will solve it for you . 
ALL THE BEST .. 

 

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