Chemistry, 26.11.2020 16:50, jazminpagan15
Sobre duas substâncias A e B sabe-se que: quando se adiciona fenolftaleina a substância A, a solução A torna-se avermelhada. Em presença de metilorange, a solução B é avermelhada. Pode se dizer com base nessas informações, que as substâncias A e B, podem ser:
ácido e base
ácido e ácido
base e sal
ácido e sal
base e ácido
Answers: 2
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Sobre duas substâncias A e B sabe-se que: quando se adiciona fenolftaleina a substância A, a solução...
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