Calcium hydroxide + hydrochloric acid → calcium chloride + water
2 answers:
Answer : The correct balanced chemical reaction will be:
Explanation :
When calcium hydroxide react with hydrochloric acid then it react to give calcium chloride and water as a product.
This reaction is double-displacement reaction.
Double-displacement reaction : It is defined as the reaction in which the cation of two reactants molecule exchange their places to give two different products.
Thus, the correct balanced chemical reaction will be:
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Answer:
the initial concentration of SCN- in the mixture is 0.00588 M
Explanation:
The computation of the initial concentration of the SCN^- in the mixture is as follows:
As we know that
As it is mentioned in the question that KSCN is present 10 mL of 0.05 M
So, the total milimoles of SCN^- is
= 10 × 0.05
= 0.5 m moles
The total volume in mixture is
= 45 + 10 + 30
= 85 mL
Now the initial concentration of the SCN^- is
= 0.5 ÷ 85
= 0.00588 M
hence, the initial concentration of SCN- in the mixture is 0.00588 M