Question

Нужно разделить на 2 группы средних и кислых солей: K2S ,Mg(H2FO4) ,Na Bn , Mg HPO4, Na2 SiO3, KNS

Answer 1

Средние соли:
K2S, NaBr (?), Na2SiO3, KCNS (?)
Кислые соли:
Mg(H2PO4)2, MgHPO4

Answer 2

Средние -K2S,NaBr,Na2SiO3,KCNS
Кислые -Mg(H2PO4)2,MgHPO4,KHS поскольку последняя формула написана с ошибкой, поэтому последние формулы в обоих строках предположительные.

Answer 3

Grouping Medium and Acidic Salts

To separate the given salts into two groups of medium and acidic salts, we need to consider their chemical properties and behavior in solution.

Medium Salts: 1. K2S - Potassium sulfide is a medium salt. When dissolved in water, it forms a basic solution due to the hydrolysis of the sulfide ion. - "Potassium sulfide is a medium salt that hydrolyzes in water to form a basic solution."

2. Mg(H2FO4) - Magnesium hydrogen fluoride, also known as magnesium bifluoride, is a medium salt. It is a weak acid and forms a slightly acidic solution when dissolved in water. - "Magnesium hydrogen fluoride is a medium salt that forms a slightly acidic solution when dissolved in water."

3. Na2SiO3 - Sodium metasilicate is a medium salt. It hydrolyzes in water to form a basic solution. - "Sodium metasilicate is a medium salt that hydrolyzes in water to form a basic solution."

Acidic Salts: 1. NaBn - Sodium benzoate is an acidic salt. It is the sodium salt of benzoic acid, which is a weak acid. When dissolved in water, it forms a slightly acidic solution. - "Sodium benzoate is an acidic salt that forms a slightly acidic solution when dissolved in water."

2. MgHPO4 - Magnesium phosphate is an acidic salt. It is the magnesium salt of phosphoric acid, which is a weak acid. When dissolved in water, it forms a slightly acidic solution. - "Magnesium phosphate is an acidic salt that forms a slightly acidic solution when dissolved in water."

3. KNS - Potassium thiocyanate is an acidic salt. It is the potassium salt of thiocyanic acid, which is a weak acid. When dissolved in water, it forms a slightly acidic solution. - "Potassium thiocyanate is an acidic salt that forms a slightly acidic solution when dissolved in water."

By considering the behavior of these salts in solution, we can categorize them into medium and acidic salt groups based on their ability to form basic or acidic solutions when dissolved in water.