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Roman55 [17]
4 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]4 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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A very hot cube of copper metal (32.5 g) is submerged into 105.3 g of water at 15.4 0C and it reach a thermal equilibrium of 17.
zysi [14]

Answer:

The initial temperature of the metal is 84.149 °C.

Explanation:

The heat lost by the metal will be equivalent to the heat gain by the water.  

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-(T final - T initial) = 66.89 °C

T initial = 66.89 °C + T final

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T initial = 84.149 °C.

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pentagon [3]
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