Solution of problem 583 of the collection on general ch
If the total amount of your purchases from the seller Михаил_Перович more than:
- 20323 ₽ the discount is 15%
- 10161 ₽ the discount is 10%
- 5081 ₽ the discount is 7%
- 2032 ₽ the discount is 5%
- 1016 ₽ the discount is 3%
- 508 ₽ the discount is 2%
- 102 ₽ the discount is 1%
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583. To formulate in the molecular form the reaction equations, which are expressed by the following ion-molecular equations:
NO2- + H + = HNO2
Cu2 ++ 2OH- = Cu (OH) 2 ↓
Pb2 ++ 2I- = PbI2 ↓
NO2- + H + = HNO2
Cu2 ++ 2OH- = Cu (OH) 2 ↓
Pb2 ++ 2I- = PbI2 ↓