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Tính pH của các dung dịch thu được trong mỗi thí nghiệm sau: a. Hòa tan hoàn toàn 3,65 g HCl vào nước thu được 1 lít dung dịch. b. Hòa tan hoàn toàn 4 g NaOH vào nước thu được 1 lít dung dịch. c. Hòa tan hoàn toàn một lượng H2SO4 vào nước, thu được 100 g dung dịch H2SO4 4,9%. (V = 1 lít). d. Hòa tan hoàn toàn một lượng Ba(OH2) vào nước, thu được 200 g dung dịch Ba(OH2) 1,71%. (V = 1 lít).
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Tính pH của các dung dịch thu được trong mỗi thí nghiệm sau: a. Hòa tan hoàn toàn 3,65 g HCl vào nướ...
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