Consider the nuclear equation below. Superscript 222 subscript 86 upper R n right arrow superscript 218 subscript question mark
upper P o plus superscript 4 subscript 2 upper H e. Which is the missing value that will balance the equation? 84 86 88 90
2 answers:
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Answer:
Molar mass of unknown solute is 679 g/mol
Explanation:
Let us assume that the solute is a non-electrolyte.
For a solution with non-electrolyte solute remains dissolved in it -
Depression in freezing point of solution,
where, m is molality of solute in solution and is cryogenoscopic constant of solvent.
Here
If molar mass of unknown solute is M g/mol then-
So,
so, M = 679 g/mol