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Biology, 24.07.2021 14:00 rivasalejandro854
3. Dung dịch X chứa Ba2+ (0,25 mol), Cl- (0,1 mol) và HCO3- (x mol); Dung dịch Y chứa Na+ (0,3 mol), SO42+ (0,05 mol) và OH -(y mol). a. Tính giá trị của x và y. b. Trộn X với Y thu được m gam ↓. Viết các phương trình ion xảy ra và tính m.
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3. Dung dịch X chứa Ba2+ (0,25 mol), Cl- (0,1 mol) và HCO3- (x mol); Dung dịch Y chứa Na+ (0,3 mol),...
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