Answer to Question #304915 in General Chemistry for Venus L.

Question

Calculate the Molarity of each of the following solutions:

a. 185 g of sucrose, C12H22011 in 1.00 L of solution

b. 6.30 g of HNO3 dissolved in 255 ml of solution.

Answer 1

a) moles= mass/ rmm= 185/342= 0.54 moles

Molarity = moles/ litre

= 0.54/1= 0.54M

b)moles= 6.3/63= 0.1 moles

Molarity = 0.1/0.255= 0.39M