Which of the following expressions is equivalent to molarity [M]?

A[M] = moles of solute volume of solution in liters
B[M] = grams of solute volume of solution in liters
C[M] = moles of solute volume of solution in gallons
D[M] = volume of solution in liters moles of solute

Verified Answer :

Molarity is the number of moles of solute dissolved in one liter of solution. It is also calculated with the following equation:
M (mol/L)= n (mol)/ V (L)
Thus a is the best answer.
Hope this would help :))

A[M]=moles of solute volume of solution in liters