3 litres of water are added to 2 litres of 5 M HCI. What is the molarity of HCl in the resultant
solution?
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Answer: M1 is given 5M
M2 we have to find
V1 is given 2 L
V2 = 2+3=5L
By using dilution formula
M1×V1=M2×V2
5×2=M2×5
After solving we get
M2 =2M
Thetefore new molarity is 2M
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