lisbethtierra12 lisbethtierra12

17-04-2020
Chemistry

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Which of the following reactions obeys the Law of Conservation of Atoms?
H20 - H2 + O2
CuSO4 + Zn - ZnCl2 + Cu
Zn + HCI – ZnCl2 + H2
PbCl2 + Al - AlCl3 + Pb -
Zn + 2HCI - H2 + ZnCl2

Respuesta :

nktselepov nktselepov

17-04-2020

[tex]Zn + 2HCl => H_2\uparrow + ZnCl_2[/tex]

there are 1 atom of Zn, 2 atoms of H and 2 atoms of Cl

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