Question

4) 2
177. Solubility of a salt M2X3 is y mol/dm'. The solubility product of the salt will be
1) 36 y
2) 108 y
3) 64 y
4) 6 y
178. The solubility product of SrFz in water is 8 x 10- calculate its solubility in 6. IM of aqueous NaF
solution. If its solubility is expressed as y x 10* then what is the value of yy"?
1) 2
2) 4
3) 6
4) 8
179. A certain buffer solution contains equal concentration of X and HX, K, for X is 19. Find the
pH of buffer
2) 4
1) 2
3) 6
458
180. K of M(OH)x is 27 x 10- and its solubility in water is 10 mol litre. Find the value of X
4) 6
3) 5
1)3
2) 4
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Answer 1

Answer:

1 36y

2 8

3 4

4 3

Explanation:

because the k is l p