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If Concentrated HCl... Already 37%... So, How to prepare 10%
HCl from Conc. HCl (37%)?
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Answer / lokesh kumar agarwal
37*X =10*100
X=10*100/37 = 27.027 ml
Take 27.027 ml of 37% HCl solution and makeup it upto 100 ml
This is the 10% solution of HCl
| Is This Answer Correct ? | 16 Yes | 1 No |
Answer / srinivasara0
M1*N1=M2*N2 formula used
37*100=10*X
X=370
so 370-100=270 ml of water added to 100 ml of 37% of concHCl to make up 10% solution (370ml)
| Is This Answer Correct ? | 1 Yes | 0 No |
Answer / kartik patel
On bottle of conce. Hcl its has been written 35%.
Another thing, mol.Wt. Of hcl is 36.46 and density is 1.18 g/ml
So now, 35gm for 100g than 36.46 for 100? I.E. 104.17 g
And
1.18g(density) for 1 ml. Than 104.17 ? I.E. 88 ml
That's why usp has recommended as 88x of hcl.Where x is desired molarity. Ex. For 2m hcl we use 85*2 ml of conc. Hcl to 1000 ml of water.
(and ip,ep,bp suggested 85x for making desired molarity)
And in case of 10% hcl, simply take 10 ml of conc.Hcl and dilute to 100ml of water.
Reference : ip,bp 2014
| Is This Answer Correct ? | 2 Yes | 2 No |
Answer / lalit
take 3.7 ml of hcl and makeup the volume of 100ml (96.3ml water+3.7ml hcl=100ml)
| Is This Answer Correct ? | 0 Yes | 2 No |
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