осуществить превращение:
Ba -> BaO -> Ba(OH)2 -> Ba(NO3 )2 I
v
BaSO4
2Ba+O2 -> 2BaO
BaO+H2O -> Ba(OH)2
Ba(OH)2+2HNO3 -> Ba(NO3)2+2H2O
BaO+H2SO4 -> BaSO4+H2O
2Ba+O2-2BaO; BaO+ 2HNO3- Ba(NO3)2+H2;
Ba(OH)2+2HNO3-Ba(NO3)2+2H2O; Na2SO4+Ba(OH)2-2Na OH+BaSO4
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Answers & Comments
2Ba+O2 -> 2BaO
BaO+H2O -> Ba(OH)2
Ba(OH)2+2HNO3 -> Ba(NO3)2+2H2O
BaO+H2SO4 -> BaSO4+H2O
2Ba+O2-2BaO; BaO+ 2HNO3- Ba(NO3)2+H2;
Ba(OH)2+2HNO3-Ba(NO3)2+2H2O; Na2SO4+Ba(OH)2-2Na OH+BaSO4