For the following reaction, 6.49 grams of potassium hydroxide are mixed with excess phosphoric acid. The reaction yields 6.86 gr
ams of potassium phosphate.
potassium hydroxide (aq) + phosphoric acid (aq) potassium phosphate (aq) + water (1)
grams
What is the theoretical yield of potassium phosphate?
What is the percent yield of potassium phosphate?
%
potassium hydroxide (aq) + phosphoric acid (aq) potassium phosphate (aq) + water (1)
grams
What is the theoretical yield of potassium phosphate?
What is the percent yield of potassium phosphate?
%
1 answer:
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Answer: The molality of solution is 17.6 mole/kg
Explanation:
Molality of a solution is defined as the number of moles of solute dissolved per kg of the solvent.
where,
n = moles of solute
= weight of solvent in kg
moles of acetone (solute) = 0.241
moles of water (solvent )= (1-0.241) = 0.759
mass of water (solvent )=
Now put all the given values in the formula of molality, we get
Therefore, the molality of solution is 17.6 mole/kg