14. A substance is found by analysis to contain 45.57% tin and 54.43% chlorine. What is theempirical formula for the substance?15. Aluminum sulfide reacts with water to form aluminum hydroxide and hydrogen sulfide.a) Write a balanced equation for this reaction. b) How many grams of aluminumhydroxide can be obtained from 5.50 g of aluminum sulfide?16. When copper (1) sulfide is partially roasted in air (reaction with 02), copper(1) sulfite isformed first. Subsequently, upon heating, the copper sulfite thermally decomposes tocopper (1) oxide and sulfur dioxide. Write balanced chemical reactions for these tworeactions.17. Write the molecular, complete ionic & net ionic equation for a single replacement(redox) reaction between zinc and copper (ii)sulfate? Identify the oxidized and thereduced species.18. How many grams of Mg(OH)2 will be needed to neutralize 25 ml of stomach acid ifstomach acid is 0.10M HCI?19. How many litres of 3.4 M HI will be required to reach the equivalence point with 2,1 L of2.0 M KOH?20. Name two safety precautions that you must follow before starting an experiment? (b)Name two separation techniques commonly used. (c) How can you separate Fe fillingsfrom the mixture Fe fillings, NaCl and SiO₂?

Given that, Amount of tin in a compound = 45.57% Amount of chlorine in a compound = 54.43% Atomic…

Answered: 14. A substance is found by analysis to…

14. A substance is found by analysis to contain 45.57% tin and 54.43% chlorine. What is the empirical formula for the substance?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Concept explainers

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.

Question

14. A substance is found by analysis to contain 45.57% tin and 54.43% chlorine. What is the
empirical formula for the substance?
15. Aluminum sulfide reacts with water to form aluminum hydroxide and hydrogen sulfide.
a) Write a balanced equation for this reaction. b) How many grams of aluminum
hydroxide can be obtained from 5.50 g of aluminum sulfide?
16. When copper (1) sulfide is partially roasted in air (reaction with 02), copper(1) sulfite is
formed first. Subsequently, upon heating, the copper sulfite thermally decomposes to
copper (1) oxide and sulfur dioxide. Write balanced chemical reactions for these two
reactions.
17. Write the molecular, complete ionic & net ionic equation for a single replacement
(redox) reaction between zinc and copper (ii)sulfate? Identify the oxidized and the
reduced species.
18. How many grams of Mg(OH)2 will be needed to neutralize 25 ml of stomach acid if
stomach acid is 0.10M HCI?
19. How many litres of 3.4 M HI will be required to reach the equivalence point with 2,1 L of
2.0 M KOH?
20. Name two safety precautions that you must follow before starting an experiment? (b)
Name two separation techniques commonly used. (c) How can you separate Fe fillings
from the mixture Fe fillings, NaCl and SiO₂?

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