Answer: 4.22 grams of solute is there in 278 ml of 0.038 M

Step-by-step explanation:
Molarity of a solution is defined as the number of moles of solute dissolved per liter of the solution.
where,
n = moles of solute
= volume of solution in L
Now put all the given values in the formula of molality, we get

mass of
=

Thus 4.22 grams of solute is there in 278 ml of 0.038 M
