a solution is made by dissolving 117 g of nacl in 585 g of h2o. what is its molarity

molarity is mol/L i.e. how much mole of solute dissolving in 1 L of the solvent. calculated using C = n/V where n is the mole and V is the volume in L.

solute is NaCl
solvent is water

find the mole of NaCl using m/Mr where m is the mass in grams and Mr is the molar mass in g/mol which can be obtained using the periodic table.

once you get the mole for NaCl, find the volume of the solvent i.e. 585g of water can be converted to the volume using the density of the water. once you get that, plug in your values in the formula C=n/V ensuring the V to be in liters.