Question

If .179 moles K2CO3, potassium carbonate, is dissolved in 450 mL of solution, what is the molarity?

Answer 1

Answer:

Molarity = 1 mol in 1L i.e 1 mol in 1000mL solution.

In this case, volume= 450mL and 0.179 moles

So, M = (0.179/450)×1000 = 0.398M