Объяснение:
2Na+H2=2NaH
H2+S=H2S
Ba+2HCl=BaCl2+H2
Ba+H2SO4=BaSO4+H2
2K+2HCl=2KCl+H2
2K+H2SO4=K2SO4+H2
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Объяснение:
2Na+H2=2NaH
H2+S=H2S
Ba+2HCl=BaCl2+H2
Ba+H2SO4=BaSO4+H2
2K+2HCl=2KCl+H2
2K+H2SO4=K2SO4+H2