Question

Product of (-1) × (-2) × (-3) x (-4) 1 point
is
O O
10
O
25
O
-24
O
24​

Answer 1

Answer:

Mg(OH)

2

→Mg

+2

+2OH

−

0.1 2S

K

sp

=[Mg

+2

][OH

−

]

2

[OH

−

]=10

−5

pOH=−log[OH

−

]=5

pH = 14 - pOH = 9

So at pH = 9, precipitation will occur.

Answer 2

${\huge \bf{ S} } \: {\small\sf{U} \: {}^{M} \: _{A} \: \tiny{N}} \: \: \: \huge {\tt{A \: \tiny{n} \: \large{s} \: {}^{w} \: _{e} \: \Large{r}}}$