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2 answers:
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Answer:
About 170-180 grams of potassium nitrate are completely dissolved in 100 g.
Explanation:
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In this case, according to the reported solubility data for potassium nitrate at different temperatures on the attached picture, it is possible to bear out that about 170-180 grams of potassium nitrate are completely dissolved in 100 g; considering that the solubility is the maximum amount of a solute that can be dissolved in a solvent, in this case water.
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Answer:
a)
b)
c)
Explanation:
a)
when is added to LiOH, lithium chlorate and water is formed.
Balancing of above reaction,
It can be seen that all the atoms in both the sides are balanced. so it is a balanced reaction.
(b) When aqueous is added to NaOH,
and
is formed. It is a neutrilization reaction.
Balancing of above reaction,
First balance all the atoms except O and H
S atom is already balanced in either side
No. of Na atom in left hand side = 1
No. of Na atom in right hand side = 2
So multiply NaOH by 2, now the reaction becomes:
No. of O atoms in left hand side = 6
No. of O atoms in right hand side = 5
So multiply H2O by 2, now the reaction becomes:
Now, it can been seen that all the atoms are balanced.
c) When reacts with HF, baroum fluoride and water is formed.
Balancing of above reaction,
Barium atoms are already balanced on either side.
No. of F atoms on left hand side = 1
No. of F atoms on right hand side = 2
So, multiply HF by 2, now reaction becomes
In order to balance H and O on either side, multiply H2O by 2.