What is the molar mass of BH3?

Molarity, also known as molar ________, is the number of _______ of solute in a given _________ of ________.
Choose the appropriate symbol for Molarity along with the correct units.

How many moles of BH3 are in 69.17 grams of BH3?
Use your answer from number 6 to solve.
What is the Molarity of a solution with 69.17 grams of BH3 and 2.5 liters of water?
Use your answer from question 7 to help you find the numerator.