m(C6H6O с примесями) = 2 g
W(примесей) = 6%
m(осадка) - ?
m(C6H6O) = 2 - 2 * 0.06 = 1.88 g
n(C6H6O) = 1.88 / 94 = 0.02 mol
0.02 mol x mol
C6H6O + 3Br2 = C6H3Br3O + 3HBr
1 mol 1 mol
1:0.02 = 1:x
x = 0.02
m(C6H3Br3O) = 0.02 * 171 = 3.42 g
ответ: 3.42 g .
m(C6H6O с примесями) = 2 g
W(примесей) = 6%
m(осадка) - ?
m(C6H6O) = 2 - 2 * 0.06 = 1.88 g
n(C6H6O) = 1.88 / 94 = 0.02 mol
0.02 mol x mol
C6H6O + 3Br2 = C6H3Br3O + 3HBr
1 mol 1 mol
1:0.02 = 1:x
x = 0.02
m(C6H3Br3O) = 0.02 * 171 = 3.42 g
ответ: 3.42 g .