x= 22,7x 3 : 227 =0,3 kmoli HNO 3 -->0,6kmoli H2So4
y=5,4kg apa
Dar avem o cantitate de apa pe care o notez cu " x "
5,4+x=2x => x=5,4kg apa
mHNO₃=0,3*M HNO₃=0,3*63=18,9kg HNO₃
mH₂SO₄=0,6*M H₂SO₄=0,6*98=58,8kg H₂SO₄
mamestecnitrant=mHNO₃+mHNO₃+5,4kg=18,9*58,8+5,4=83,1kg amestec sulfonitric