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Rzqust [24]
2 years ago
12

Why bleaching powder doesn't dissolve in water completely?​

Chemistry
2 answers:
Papessa [141]2 years ago
8 0

Answer:

bleaching powder is actually a mixture of calcium chloride, calcium hydroxide and calcium hypochlorite. hence it is not a single salt. It is not completely soluble in water as it composed of heavy calcium salts, which are known to be insoluble in water.

labwork [276]2 years ago
4 0

Answer:

It does disolve

Explanation:

It depends on how much bleaching powder you're trying to dissolve in water

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Answer:

-179.06 kJ

Explanation:

Let's consider the following balanced reaction.

HCl(g) + NaOH(s) ⟶ NaCl(s) + H₂O(l)

We can calculate the standard enthalpy change for the reaction (ΔH°r) using the following expression.

ΔH°r = 1 mol × ΔH°f(NaCl(s)) + 1 mol × ΔH°f(H₂O(l)) - 1 mol × ΔH°f(HCl(g)) - 1 mol × ΔH°f(NaOH(s))

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ΔH°r = -179.06 kJ

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