Question

Peygen
Hydroxide
sulete-
Nitrate
Document 1
Exercise 2:
Each molecule of phosphoric acid, which is an inorganic compound, is made up of three atoms of
hydrogen, one atom of phosphorous and four atoms of oxygen.
1. Write the molecular formula of phosphoric acid.
2. Find the total number of atoms present in a molecule of phosphoric acid.
3. Calculate the number of phosphoric acid molecules present in 20 atoms of hydrogen
Exercise 3:
The sulfate ion is a polyatomic ion of formula: 50%-
1. What is the charge of the sulfate ion?
2. Why is the sulfate ion classified as a polyatomic ion?
3. Indicate the type of the sulfate ion. Justify
4. Find the number of atoms of the sulfate ion.​
please help

Answer 1

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Explanation:

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