3 years ago

What volume of 0.20 M NaCl contains 10.0 g

Chemistry

1 answer:

nalin [4]3 years ago

8 0

0.862 liters of a 0.20 M NaCl solution (aq) contains 10.0g of NaCl.
Answer : 0.862 liters

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Explanation :

Formula used :

$\Delta T_b=i\times K_f\times m$

where,

$\Delta T_b$ = change in boiling point = ?

i = Van't Hoff factor = 3 (for MgI₂ electrolyte)

$K_f$ = boiling point constant for water = $0.51^oC/m$

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Now put all the given values in this formula, we get

$\Delta T_b=3\times (0.51^oC/m)\times 0.615m$

$\Delta T_b=0.94^oC$

Therefore, the change in boiling point is, $0.94^oC$

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