A buffer is a solution that: Select one: a. Results from mixing a strong acid and a strong base. b. When added to another soluti
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Answer : The mass of of water present in the jar is, 298.79 g
Solution : Given,
Mass of barium nitrate = 27 g
The solubility of barium nitrate at is 9.02 gram per 100 ml of water.
As, 9.02 gram of barium nitrate present in 100 ml of water
So, 27 gram of barium nitrate present in of water
The volume of water is 299.33 ml.
As we know that the density of water at is 0.9982 g/ml
Now we have to calculate the mass of water.
Therefore, the mass of of water present in the jar is, 298.79 g
Answer: a)
b)
Explanation:
The reaction is :
Rate = Rate of disappearance of = Rate of appearance of
Rate = =
Rate of disappearance of =
=
a) Rate of disappearance of =
Rate of appearance of =
b) Rate of appearance of =