Предмет: Химия, автор: alahpizduchkin

ДАМ 30 БАЛЛОВ СРОЧНО!!!
Обчислити відносну молекулярну масу CuZn
а) 166
б) 16,3
в) 129
г) 199, 2

Ответы

Автор ответа: kopikot264

1

Ответ:

в)

Объяснение:

...........................................

Автор ответа: Ksenia16129

0

Ответ:

Mr=Ar+Ar

64+65=129

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How to make deciding a lot easier
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