Balance the equation

     

Balance the following chemical equations.

(a) HNO 3 +Ca(OH) 2 → Ca(NO 3 ) 2 + H 2 O

Answer

HNO 3 + Ca(OH) 2 → Ca(NO 3 ) 2 + H 2 O


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Name of the element

No. Of atoms in Reactants

No. Of atoms in products

Hydrogen

3

2

Nitrogen

1

2

Oxygen

5

7

Calcium

1

1


lớn balance Nitrogen,

Multiply HNO 3 by 2

2 HNO 3 + Ca(OH) 2 → Ca(NO 3 ) 2 + H 2 O

Name of the element

No. Of atoms in Reactants

No. Of atoms in products

Hydrogen

4

2

Nitrogen

2

2

Oxygen

8

7

Calcium

1

1


to balance Hydrogen,

Multiply H 2 O by 2

2 HNO 3 + Ca(OH) 2 → Ca(NO 3 ) 2 + 2 H 2 O

Name of the element

No. Of atoms in Reactants

No. Of atoms in products

Hydrogen

4

4

Nitrogen

2

2

Oxygen

8

8

Calcium

1

1


Now, all the elements are balanced and the balanced equation is

2 HNO 3 + Ca(OH) 2 → Ca(NO 3 ) 2 + 2 H 2 O

2 HNO 3 + Ca(OH) 2 → Ca(NO 3 ) 2 + 2 H 2 O


NCERT Question 1 (MCQ) Important

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NCERT Question 3 (MCQ)

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Article by

CA Maninder Singh
CA Maninder Singh is a Chartered Accountant for the past 12 years và a teacher from the past 16 years. He teaches Science, Accounts and English at sonxe259.vn

sonxe259.vn works hard so that you can work smart




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