Answer:
3.48 g NaF
Explanation:
Dimensional Analysis:

Answer (Simplifying the Expression Above):
3.48 g NaF
Where is the diagram then I will be able to answer
The substances which dissolve most readily in water are called soluble substances and they are likely those substances which have the same polarity as water.
Force = mass * acceleration
= 14 * 2 = 28N
Work done (energy) = Force * distance
= 28 * 5 = 140J