Объяснение:
CH3COOH оцтовa кислотa
w(CH3COOH)= m(CH3COOH) / m(розчину) = m(CH3COOH) / (m(Н2О) + m(CH3COOH))= (200•0.5) / (200+300)= 100/500= 0.2 (20%)
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Объяснение:
CH3COOH оцтовa кислотa
w(CH3COOH)= m(CH3COOH) / m(розчину) = m(CH3COOH) / (m(Н2О) + m(CH3COOH))= (200•0.5) / (200+300)= 100/500= 0.2 (20%)