Question

Balance the following chemical equations.
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Answer 1

Answer:

2NaOH + H2SO4 —› Na2SO4 +2 H2O

Explanation:

There are 2 Na in R.H.S while only 1 Na in L.H.S

so we have to balance that,

2NaOH + H2SO4 —› Na2SO4 +H2O

There is only 1 S in L.H.S and also in R.H.S

so we don't have to balance that

Now,

In L.H.S

there is 2 O in NaOH and 4 O in H2SO4

Total O in L.H.S is 6

In R.H.S

there is 4 O in Na2SO4 and 1 O in H2O

Total O in R.H.S is 5

To balance O we have to put 1 more O in R.H.S

So,

2NaOH + H2SO4 —› Na2SO4 +2 H2O

In L.H.S

there is 2 H in NaOH and 2 H in H2SO4

Total H in L.H.S is 4

In R.H.S

there is 4 H in H2O

Both L.H.S and R.H.S is now,

L.H.S. R.H.S

Na 2 2

S 1 1

O 6 6

H 4 4

Ans. 2NaOH + H2SO4 —› Na2SO4 +2 H2O

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Answer 2

Answer:

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