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raketka [301]
3 years ago
13

What does “Alkali” mean???

Chemistry
1 answer:
zvonat [6]3 years ago
4 0

It doesn't exactly mean anything, but it does describe the second group of elements, the Alkali Earth Metals.

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The solubility of calcium sulfate at 30°c is 0.209 g/100 ml solution. calculate its ksp.
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Answer is: Ksp for calcium sulfate is 2.36·10⁻⁴.
Balanced chemical reaction (dissociation):
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n(CaSO₄) = m(CaSO₄) ÷ M(CaSO₄).
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Ksp = [Ca²⁺] · [SO₄²⁻].
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Ksp = (0.0153 M)² = 2.36·10⁻⁴.
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3 years ago
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Answer:

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