How many moles and how many grams of sodium chloride are present in 250 mL of 0.5 M NaCl solution ?

How many moles and how many grams of sodium chloride are present in 25

1.	How many moles and how many grams of sodium chloride are present in 250 mL of 0.5 M NaCl solution ?
Answer» SOLUTION :MOLARITY of solution (M) `= ("Moles of NACL (N)")/("Volume of solution in mL"/(1000))` `("0.5 mol L"^(-1))=(n)/(0.250L)` `n =("0.5 mol L"^(-1)) xx (0.250 L) = 0.125` mol `:.` No. of moles of NaCl = 0.125 mol No. of GRAMS of `NaCl=("0.125 mol")xx("58.5 g mol"^(-1))=7.3g`.