How many milliliters of a 12-molar HCl must be diluted to obtain 2.0 liters of 3.0-molar HCl?

500ml

Explanation:

Using the Dilution formula that

C₁V₁=C₂V₂

Where

C₁=the molarity of  concentrated solution

= 12 M

V₁ = Volume of the concentrated solution

=?

C₂=the molarity of  the diluted solution

=3.0M

V₂= Volume of the diluted  solution= 2 liters

Changing 2 liters to millilitres  

1000ml= 1 Liters

2Liters=2000ml

Bringing the formulae and inputting the given values

C₁V₁=C₂V₂

12 x V₁= 3.0 x 2000ml

V₁= 3.0 x 2000 / 12

V₁=500ml

Therefore 500ml of 12-molar HCl mst be diluted to obtain 2 Liters of 3.0 Molar HCl.

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