2.7 g of NaNO3 (Mr = 85) is dissolved in water to prepare 200.0 mL of solution. What is the concentration of the resulting solution in mol /L?

samuel de champlain. in 1608, king henry iv sponsored pierre dugua, sieur de mons and samuel de champlain as founders of the city of quebec with 28 men. this was the second permanent french settlement in the colony of canada.

answer seismograph;

the answer is 0.42 is that is an option. this question provides no info