點連結看到底發生了什麼事 為什麼妳哭的如此傷心
homework - What's the pH of Vinegar when it generally contains 5% Acetic acid? - Chemistry Stack Exc 爸爸:“姐姐為何哭得如此傷心?” 妹妹:“她獲得恐怖大會的裝扮比賽第一名!” 爸爸:“那應該值得高興才對呀!” 妹妹:“但是姐姐她什麼都沒有裝扮啊!” 爸爸:“…Vinegar generally contains 5% Acetic acid. We would expect the pH of vinegar to be approximately: a. 0 b. 3 c. 7 d. 9 e. 12 I don't have the key for this question, s......
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