Question

va roggg dau coroanaa​

Answer 1

3.Mg+H2O--->Mg(OH)2+H2

CaCO3--->CaO+CO2↑(se degaja)

H2+Cl2---->HCl

HCl+AgNO3---->AgCl+HNO3

Zn+HCl---->ZnCl2+H2

4.acid fosforic:H3PO4

hidroxid de bariu:Ba(OH)2

clorura de fier (III): FeCl3

oxid de aluminiu:Al2O3

azotat de magneziu:Mg(NO3)2 · 6 H2O

5.Mg + 2HCl --> MgCl2 + H2

md = 240x2x36,5/24 = 730 g HCl

c% = mdx100/ms

ms = mdx100/c%

730x100/73 = 1000 g sol. HCl

n = 240x1/24 = 10 moli H2