State the number of atoms of each element present in:

C6H12O6

H2SO4

HNO3

CaCO3

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Solution

S.No Formula of Compound Number of atoms of each element

1 C6H12O6 6 carbon atoms
12 hydrogen atoms
6 oxygen atoms [1 mark]

2 H2SO4 2 hydrogen atoms
1 sulphur atom
4 oxygen atoms [1 mark]

3 HNO3 1 hydrogen atom
1 nitrogen atom
3 oxygen atoms [1 mark]

4 CaCO3 1 calcium atom
1 carbon atom
3 oxygen atoms [1 mark]

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Similar questions

State the number of atoms of each element, present in :

Also name these compounds.

6.3

(H N O_{3})

H = 1 u

N = 14 u

O = 16

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S.No	Formula of Compound	Number of atoms of each element
1	C6H12O6	6 carbon atoms 12 hydrogen atoms 6 oxygen atoms [1 mark]
2	H2SO4	2 hydrogen atoms 1 sulphur atom 4 oxygen atoms [1 mark]
3	HNO3	1 hydrogen atom 1 nitrogen atom 3 oxygen atoms [1 mark]
4	CaCO3	1 calcium atom 1 carbon atom 3 oxygen atoms [1 mark]