Question

Repede va rog frumos am nevoie urgent până la ora 10
Dau coroană​

Answer 1

Răspuns:

1. 1 mol MgsO4........... 32g S

3 moli........................ X

X=3x32=96

2.18g h2o................. 2g h

36g....................... Y

Y=36x2/18=4

3. 16 g Ch4....................... 4g h

A.................................... 16 g H

A=16x16/4=64

4. 1 mol co2............... 32g o2

B moli...................... 64 g O2

B=64/32=2 moli