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The coefficient for oxygen is 1, and so is not written. The equation is already balanced.
2
C55h98o6+3h2o--->c3h8o3+3c16h32o2
3 ch3coor + c3h8o3 3:1
It depends on the equation.
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The valence of zinc is 2+.
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4K + O2 = 2K2O so the "coefficient" is 1
The coefficient for Ni NO3 3 is four.
The coefficient for Ni NO3 3 is four.
Al(NO3)3, so aluminium has coefficient of one. Aluminium is always Al3+ in ionic compounds.
The coefficient for oxygen is 1, and so is not written. The equation is already balanced.