Answer:
Mg(s)+Zn2+>>>>>Mg2++Zn(s) B
Explanation:
Isotopes of carbon or any element
I think it’s D.
sorry if it’s wrong
Hi :)
20 mol NH3 x 6 H2O/4 NH3 = 30 mol H2O
Hope this helped :)
Depression in freezing point (Δ
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) =

×m×i,
where,

= cryoscopic constant =

,
m= molality of solution = 0.0085 m
i = van't Hoff factor = 2 (For
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)
Thus, (Δ
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) = 1.86 X 0.0085 X 2 =

Now, (Δ
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) =

- T
Here, T = freezing point of solution

= freezing point of solvent =

Thus, T =

- (Δ

) = -