4 years ago

During steps 2-5, the

Chemistry

2 answers:

JulsSmile [24]4 years ago

7 0

Answer: temperature, reaction rate and constant:)

crimeas [40]4 years ago

4 0

Answer:

Temperature was independent

Reaction rate is dependent

Other factors are constant

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A solution is prepared by mixing 525 mL of ethanol with 597 mL of water. The molarity of ethanol in the resulting solution is 8.

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Answer:

$\Delta V = 234.736\,mL$

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The quantity of moles of ethanol in the solution is:

$n_{C_{2}H_{5}OH} = \left(\frac{597\,mL}{1000\,mL} \right)\cdot \left(8.35\,\frac{mol}{L} \right)$

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$m_{C_{2}H_{5}OH} = (4.985\,mol)\cdot \left(46.07\,\frac{g}{mol} \right)$

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$V_{C_{2}H_{5}OH} = \frac{229.658\,g}{0.7893\,\frac{g}{mL} }$

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The difference between the total volume of water and ethanol mixed to prepare the solution and the actual volume of solution is:

$\Delta V = (525\,mL+597\,mL) - (597\,mL + 290.964\,mL)$

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