дано
m(ppa CH3COOH) = 120 g
m(CH3COOH) = 20 g
W(CH3COOH)-?
w(CH3COOH) = m(CH3COOH) / m(ppa CH3COOH) * 100%
W(CH3COOH) = 20/120 *100% = 16.67 %
ответ 16.67%
дано
m(ppa CH3COOH) = 120 g
m(CH3COOH) = 20 g
W(CH3COOH)-?
w(CH3COOH) = m(CH3COOH) / m(ppa CH3COOH) * 100%
W(CH3COOH) = 20/120 *100% = 16.67 %
ответ 16.67%