Finding neutrons = Mass number - proton number.
For finding neutrons for phosphorus = 31-15
=16.
Answer:
ans. is 0.05
Explanation:
molarity=(mole of solute)/(litre of solution)
Answer:D. neither red nor blue
Explanation:
The molality of the solution is obtained as 0.63 m.
<h3>What is the freezing point?</h3>
The freezing point is the temperature at which the liquid is converted into solid.
We know that;
ΔT = 3.5° C
K = 1.86° C/m
i = 3
m = ?
Thus;
ΔT = K m i
m = ΔT/K i
m = 3.5° C/ 1.86° C/m * 3
m = 0.63 m
Learn more about freezing point:brainly.com/question/3121416
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