Answer to Question #104223 in General Chemistry for Nichanun

General Chemistry

Question #104223

What NaCl concentration results when 259ml of a 0.810 M NaCl solution is mixed with 562 ml of a 0.280 M NaCl solution?

Expert's answer

We will use the formula

"MV=M_1V_1+M_2V_2"

"M(259+562)=0.810\\times259+0.280\\times562 \\newline\nM(821)=209.8+157.4=367.20"

"M=0.45"

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