Solid copper (II) hydroxide is heated to produce
1 answer:
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Answer: The pH of the solution is 5.65
Explanation:
The relationship between the pH and the pOH is that .
Given this, we can plug in the pOH and subtract that from 14.
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The Molarity of the solution is given by:
--- (A)
But NaCl, which is a solute, is given in grams.
Therefore, first, we need to convert grams into moles.
Molecular weight of NaCl = 58.44 grams/mole.
So,
117 grams * (moles/ 58.44 grams) = 2.00 moles of NaCl
Now that we have moles of NaCl, plug in the values in (A):
(A) => Molarity = (2 / 2.7 ) = 0.741 moles/litre
The correct answer is: 0.741 moles/litre = Molarity
But NaCl, which is a solute, is given in grams.
Therefore, first, we need to convert grams into moles.
Molecular weight of NaCl = 58.44 grams/mole.
So,
117 grams * (moles/ 58.44 grams) = 2.00 moles of NaCl
Now that we have moles of NaCl, plug in the values in (A):
(A) => Molarity = (2 / 2.7 ) = 0.741 moles/litre
The correct answer is: 0.741 moles/litre = Molarity