Первое перевод возможно не правильный
на англ:2. What is the percent
yield if 121.5 g of silver
is produced when 13.5 g
of aluminum is reacted
with excess silver nitrate
solution. The unbalanced
reaction equation is:
Al + AgNO3 →AI(NO3)3 +
Ag​

mashuljka33    2   19.02.2020 21:05    1