4. A solution is prepared by dissolving 7.50 g of KCl in 87.50 g of H2O. Select the concentration that correctly corres

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4. A solution is prepared by dissolving 7.50 g of KCl in 87.50 g of H2O. Select the concentration that correctly corres

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4. A solution is prepared by dissolving 7.50 g of KCl in 87.50 g of H2O. Select the concentration that correctly corresponds to this solution.
a. 9.38% KCI, by mass
b.7.89% KCI, by mass
c. 8.57% KCI, by mass
d. 0.111%, by mass
2. ¿What is catalyst? ¿How does the value of the rate constant affect the reaction? (Refer to the Arrhenius equation)
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