1.

The molarity of a solution obtained by mixing750 mL of 0.5 (M) HCl with 250 mL of 2(M) HCI will be:

Answer»

0.875 M
1.00 M
1.75 M
0.975 M

Solution :`M_("final") V_("final") = M_1V_1 + M_2V_2`
`M_("final") = (0.5 xx 750 + 2xx 250)/(1000)`
` = (375 + 500)/(1000) = 0.875 M`


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