1.

The molarity of a solution obtained by mixing 750 mL of 0.5 (M) HCl with 250 mL of 2(M) HCl will be:

Answer»

1.75 M
0.975 M
0.875 M
1.00 M

Solution :`M_(3)V_(3)=M_(1)V_(1)+M_(2)V_(2)`
`M_(3)=((0.5M)xx(750mL)+(250 ML))/((750 mL+250 mL))`
0.875 M.


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