Question

6. What does each of the following formula
represent?
(a 2H --
(b) 02 --
(c) 4H2O --
(d) CuSO4 --
7. Write the number of atoms of each element
in following molecules:
(a) Na2Co3 --
(b) Cuso4 --
(c) AI2(SO4) --
(d) H2SO4 --

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Answer 1

6. a) 2 atoms of hydrogen
b) 1 molecule of oxygen
c) 4 molecules of water
d) 1 molecule of copper sulphate

7. a) 6
b) 6
c)7
d) 7

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Answer 2

Answer:

ok, fine

1. 6

2. 6

3. 7

4. 7

Explanation:

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