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How many oxygen atoms are in each chemical formula?(a) H3PO4(b) Na2HPO4(c) Ca(HCO3)2(d)

Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro ISBN: 9780321910295 34

Solution for problem 35P Chapter 5

Introductory Chemistry | 5th Edition

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Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro

Introductory Chemistry | 5th Edition

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Problem 35P

Problem 35P

How many oxygen atoms are in each chemical formula?

(a) H3PO4

(b) Na2HPO4

(c) Ca(HCO3)2

(d) Ba(C2H302)2

Step-by-Step Solution:
Step 1 of 3

Solution 35P

Here, we are going to calculate the number of oxygen atoms present in each  molecular compound.

Atom is the smallest tiny representation of an atom.

Chemical formula is the representation of the number of atoms present in the molecule or molecular compound .

(a) H3PO4

3 H + P + 4O -----> H3PO4

Here, molecular compound H3PO4 (phosphoric acid) is composed of  three hydrogen atoms (H) , one phosphorus atom (P) and four oxygen atoms (O).

Thus, the  molecular compound H3PO4 (phosphoric acid) has four (4) oxygen (O) atoms

(b) Na2HPO4

2Na + H +P + 4O -----> Na2HPO4

Here,  molecular compound Na2HPO4 (sodium phosphate) is composed of  two sodium atoms (Na), one hydrogen atom (H) , one phosphorus atom (P) and four oxygen atoms (O).

Thus, the  molecular compound  Na2HPO4 (sodium phosphate) has four (4) oxygen (O) atoms

(c) Ca(HCO3)2

Ca + 2H +2C + 6O -----> Ca(HCO3)2

Here,  molecular compound Ca(HCO3)2 (calcium bicarbonate) is composed of  one calcium atom (Ca), two hydrogen atoms (H) , two  carbon atoms (C) and six oxygen atoms (O).

Thus, the  molecular compound Ca(HCO3)2 (calcium bicarbonate)  has six (6) oxygen (O) atoms

(d) Ba(C2H3O2)2

Ba + 6H +4C + 4O -----> Ba(C2H3O2)2

Here,  molecular compound Ba(C2H3O2)2(barium acetate) is composed of  one Barium  atom (Ba), six hydrogen atoms (H) , four  carbon atoms (C) and four oxygen atoms (O).

Thus, the  molecular compound Ba(C2H3O2)2(barium acetate)  has four (4) oxygen (O) atoms.

Step 2 of 3

Chapter 5, Problem 35P is Solved
Step 3 of 3

Textbook: Introductory Chemistry
Edition: 5
Author: Nivaldo J Tro
ISBN: 9780321910295

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How many oxygen atoms are in each chemical formula?(a) H3PO4(b) Na2HPO4(c) Ca(HCO3)2(d)