The temperature for each solution is carried out at approximately 297 K where Kw=1.00×10−14.
Part A
0.70 g of hydrogen chloride (HCl) is dissolved in water to make 7.5 L of solution. What is the pH of the resulting hydrochloric acid solution?
Express the pH numerically to two decimal places.
1
Expert's answer
2020-07-13T07:27:56-0400
First the concentration of HCl should be determined:
[HCl] = (0.70g / 36.46g/mol) / 7.5L = 0.00256 M
HCl is a strong acid and we may assume that it dissociates completely. Therefore,
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