Calculate the mass of Pb(N03)2 required to make 500 cubic cm of 0.1M
solution(Pb=207, N=14, O=16)
The definition of molarity is M = mols/L solution.
And mols = grams/molar mass.
So how many moles do you want.
mols = M x L = ?
Then grams = mols x molar mass = ?
Post your work if you get stuck.