karolin1
Answered

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Do I just have to put H2O behind these red equations ?

Do I Just Have To Put H2O Behind These Red Equations class=

Sagot :

kimrahjonah

Answer:

let's do no.3

Na2O+H2SO4 > Na2SO4 +H2O

Al2O3+3H2SO4>Al2(SO4)3+3H2O

the three before the sulphuric acid is such that the equation balances on both ends

...hope this helps

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