скажите пожалуйста, h2so4 , cuso4 , Naoh, NaClO4 , Ca(oh)2 ,FeCl3 , Kl,H2so3, NaNo2, KOH , LiNO3, K3PO4 какая среда этих растворов (щелочная, кислая ,нейтральная)??​
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