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How we can prepare 0.5M HCL to 0.5 M HCl in250ml? Dilute 12 M HCL solution to.5 HCl in 250 ml

How we can prepare 0.5M HCL to 0.5 M HCl in250ml?
Dilute 12 M HCL solution to.5 HCl in 250 ml

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Grade:12th pass

1 Answers

Kajal Banga
askIITians Faculty 113 Points
2 years ago
Dear student

i) To prepare 0.5 M NaCl soltion in 100 ml, calculate the number of moles of NaCl required by using the formula:
No. of moles = M x V = 0.5 x 100 x 10-3= 0.05 moles
So 0.05 moles or 2.925 g (0.05*58.5) of NaCl must be adding in 100 ml of solution to prepare 0.5 M solution.

ii) To find the molarity of the diluted solution, we use the formula :
M1 x V1 = M2 x V2
12 x 250 x 10-3= 0.5x V2
V2 = 6 L

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