Question

Al+S →
Na2+CI→
HgO→ H₂O→
Mr Ca3(PO4)2 →
Mr NaCl -->
Mr Al2(SO4)3 →
​

Answer 1

Ответ:

Al+S→Al2S3

2Na+Cl2→ 2NaCl

HgO→Hg+O2↑

2H2O→2H2↑+O2↑

Mr Ca3(PO4)2=310

Mr NaCl=27

Mr Al2(SO4)3 =342