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uranmaximum [27]
3 years ago
9

a 68 ml aliquot of a 1.4M solution is diluted to a total volume of 288 ml a 144 ml portion of that solution is diluted by adding

173 ml of water what is the final concentration assume the volumes are dditive
Chemistry
1 answer:
vova2212 [387]3 years ago
6 0

Answer:

0.1501\ \text{M}

Explanation:

68\times 10^{-3}\times 1.4=0.0952\ \text{mol}

Concentration in solution

\dfrac{95.2}{288}=0.3305\ \text{M}

After dilution

144\times 0.3305=47.592\ \text{mmol}

Total volume =144+173=317\ \text{mL}

Final concentration =\dfrac{47.592}{317}=0.1501\ \text{M}

The final concentration is 0.1501\ \text{M}

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