posted by len on .
What is the molarity of a salt solution in which 117.0 grams of salt (NaCl) is dissolved in water to give 5.00 L of solution? Show all work including units.
moles NaCl = grams NaCl/molar mass NaCl
Solve for moles NaCl.
Then the definition of M is moles/L.
Substitute moles and L and solve for M.