Sr(OH)2+2 HNO2--->Sr(NO2)2+2 H2O
Sr2+ +2 OH- +2 H+ +2 NO2- --->Sr2+ +2 NO2- +2 H2O
2 OH- +2 H+ --->2 H2O /:2
OH- +H+ --->H2O
3 KOH+H3PO4--->K3PO4+3 H2O
3 K+ +3 OH- +3 H+ +PO4 3- --->3 K+ +PO4 3- +3 H2O
3 OH- +3 H+ --->3 H2O /:3
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Verified answer
Sr(OH)2+2 HNO2--->Sr(NO2)2+2 H2O
Sr2+ +2 OH- +2 H+ +2 NO2- --->Sr2+ +2 NO2- +2 H2O
2 OH- +2 H+ --->2 H2O /:2
OH- +H+ --->H2O
3 KOH+H3PO4--->K3PO4+3 H2O
3 K+ +3 OH- +3 H+ +PO4 3- --->3 K+ +PO4 3- +3 H2O
3 OH- +3 H+ --->3 H2O /:3
OH- +H+ --->H2O