1.

Balance the following equation. Choose "blank" if no coefficient other than 1 is needed. K + H20 H2 + KOH

Answer» LET coefficients be a b C d
aK+bH2O GIVES cH2+dKOH
now algebric method
a=d (for K)
2b=2c+d(for H)
b=d(for O)
put a=1
so d=1
b=1
c=1


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