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Roman55 [17]
3 years ago
6

If 448.85 mg of KOH is dissolved in 400 ml of water, what will be the pH of the solution?

Chemistry
1 answer:
emmasim [6.3K]3 years ago
8 0
I have provided the steps and solution within the attachment. The pH of the solution would be 12.30, this indicates that the solution is basic, as a higher value of pH indicates presence of more hydroxide ions and less of hydrogen ions in the solution.

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You dissolve 14 g of Mg(NO3)2 in water and dilute to
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Answer:

0.127M

Explanation:

Molarity of a solution = number of moles (n) ÷ volume (V)

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Using the formula, mole = mass/molar mass, to convert mass of Mg(NO3)2 to mole

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Volume = 750mL = 750/1000 = 0.75L

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