V = 150.0 mL = 0.15 L c = 1.70 M m=? For the purpose, the equation for molar concentration is necessary: c=n/V From the equation we can determine the number of moles: n= cxV = 1.70M x 0.15L = 0.255 mole Now we can calculate the mass: m = nxM = 0.255 x 119= 30.34 g is necessary
