I'm new here and I need friends. Add me pls

Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution? a. 3.88 m, b. 1.03 m, c. 1.5 m, d. 15.5 m

Calculate the molarity of 48.0 ml of 6.00 m h2so4 diluted to 0.250 l .

Measurements that have similar values are: a. usually accurate b. sometimes accurate c. always accurate d. never accurate