Предмет: Химия, автор: mirey242

в водном растворе наибольшее количество сульфат-анионов образуется при полной диссоциации 1 моль 1) К2S 2) CuSO4 3) Cr (SO4) 3 4) Na2SO3

Ответы

Автор ответа: zubareva45
0
CuSO₄⇄ Cu²⁺ + SO₄²⁻ (1сульфат ион).

Наибольшее число сульфат анионов образуется при полной диссоциации сульфата хрома(lll) - 3 сульфат иона:
Cr (SO)₃⇄2Cr³⁺ + 3SO₄²⁻
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Jim, Rita and their cat, Whiskers 1 ______ (drive) home to London. They 2 ______ (stay) with their best friends Bob and Sue, in Edinburgh, and just 3 ______ (wave) them goodbye.
700 kilometres of motorway lay ahead. Whiskers was not happy! He 4 ______ (miaow) in his basket on the back seat.
“Poor Whiskers!” said Rita. “Sh! Whiskers!” said Jim, I can’t concentrate.” Suddenly there was a big bang, and Jim and Rita’s car 5 _______ (crash) into the car in front and 6 _______ (catch) fire. Fortunately, the police 7 ________ (arrive) on the scene very soon and 8 ________ (pull) them out of the car. However, poor Whiskers was left behind. Rita was distraught, and before the policeman could stop her, she 9 ________ (race) back to the burning car to save him. She 10 _______ (carry) Whiskers to safety in her arms, when suddenly there was a huge explosion. The cat 11 _______ (leap) up into the air and 12 _________ (run) away. After an hour of fruitless search they still 13 _______ (not/find) him, so with heavy hearts they set off again for home. About two months passed.
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