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

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The molarity of a solution obtained by mixing 750 mL of 0.5 M HCl with 250 mL of 2 M HCl will be
A. 1.75 M
B. 0.975 M
C. 0.875 M
D. 1.00 M
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Correct Answer - C
`M_(1)V_(1)+M_(2)V_(2)=M_(R)(V_(1)+V_(2))`
`0.5xx750+2xx250=M_(R)(750-250)`
`M_(R)=0.875`]
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