13. Commercial sulfuric acid is 98% H;SO, and 2% H20. What is the mole ratio of H;SO, to H;O? 14. A compound contains 50% sulfur and 50% oxygen by mass. Is the empirical formula of the compound (1) so, (2) SO, (3) SO, or (4) SO,?

13. Commercial sulfuric acid is 98% H;SO, and 2% H20. What is the mole ratio of H;SO, to H;O? 14. A compound contains 50% sulfur and 50% oxygen by mass. Is the empirical formula of the compound (1) so, (2) SO, (3) SO, or (4) SO,?

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Properties of Pure Substances

A substance with fixed chemical composition throughout is called a pure substance like water, air, and nitrogen. A pure substance does not have to be a single element or compound. A mixture of two or more phases of a pure substance is also a pure substance as long as the chemical composition is the same for all phases. These substances mainly have a constant/ uniform composition. The substances also have fixed boiling and melting points. A pure substance takes part in a chemical reaction to form predictable products.

Question

13. Commercial sulfuric acid is 98% H;SO, and 2% H;O. What is the mole
ratio of H;SO, to H,O?
14. A compound contains 50% sulfur and 50% oxygen by mass. Is the
empirical formula of the compound (1) SO, (2) SO,, (3) SO, or (4) SO,?

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