m(р-ра) = 100 g
W(NaOH) = 5%
m(NaCl) - ?
m(NaOH) = 0.05 * 100 = 5 g
n(NaOH) = 5 / 40 = 0.125 mol
0.125 mol x mol
NaOH + HCl = NaCl + H2O
1 mol 1 mol
1:0.125 = 1:x
x = 0.125
N(NaCl) = 0.125 mol
m(р-ра) = 100 g
W(NaOH) = 5%
m(NaCl) - ?
m(NaOH) = 0.05 * 100 = 5 g
n(NaOH) = 5 / 40 = 0.125 mol
0.125 mol x mol
NaOH + HCl = NaCl + H2O
1 mol 1 mol
1:0.125 = 1:x
x = 0.125
N(NaCl) = 0.125 mol