10. Some compounds are very expensive. 100 g of
silver nitrate (AgNO3), for example, costs 40000 tg.
Conversely, 100 g of table salt (NaCl) costs 34 tg.
Why? Research.
Ответы
Ответ:
Silver ore is rare in nature, so it is usually mined artificially. Silver is mainly mined incidentally from polymetallic and copper ores.
Artificial mining requires a lot of resources, and before turning into an ingot, silver goes through a significant number of different processes. Compared to silver, salt is a common substance. And it does not require such processing before it becomes a finished product.
Also, these two substances have different uses.
Often we use salt as a seasoning for food, and only after that for mechanical engineering, metallurgy and metalworking.
Silver is used in jewelry, in the creation of certain electrical engineering, in certain chemical reactions.
Therefore, the cost of the two products has such a strong difference.