5.85 g of NaCl is dissolved in 1 L of pure water . How do you calculate the number of ions in 1mL of this solution?

1 Answer
Jul 11, 2014

5.85 g of NaCl = 0.1 mol
1 L solution contain NaCl = 0.1 mol
1 ml solution contain NaCl = 0.0001 mol

one NaCl ionized Na+ and Cl- so that produce 2 ions

Total ion mole in 1 ml = 2x0.0001 mol

Number of iron in 1 ml= #2#x#0.0001#x#6.023#x#10^23#

Number of iron in 1 ml = #1.2#x#10^20# ions