1. Determine empirical formula and molecular formula for the compound that is 25.5% carbon, 6.38% hydrogen, and 68.1% sulfur. Its molecular mass is close to 100 grams.
1. Determine empirical formula and molecular formula for the compound that is 25.5% carbon, 6.38% hydrogen, and 68.1% sulfur. Its molecular mass is close to 100 grams.
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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Number #1 show all the work please
![8:17 4
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1 of 21
1. Determine empirical formula and molecular formula for the compound that is 25.5%
carbon, 6.38% hydrogen, and 68.1% sulfur. Its molecular mass is close to 100 grams.
2. Calculate the mass percent composition of the elements in Mg(NO3),.
% Mg =,
% N =
% 0 =
3. Determine the grams of H2O produced if you started with 33.2 g Mg(OH)2.
Mg(OH)2 + 2HCI → MgCl2 + 2H2O
33.2 g
g ?
3
4. For the reaction quantities shown below:
Identify the limiting reagent and excess reactant.
The grams of TIO2 produced
The grams of excess reactant not consumed.
TiCl4
2 H2O
TiO2 +
4 HCІ
7.14 g
2.12 g
? g
I!!](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7cb7ab84-2909-44b4-aa38-afda86b9d9a5%2F12176331-9736-43e7-91e4-99dca6f28d5a%2F0sgbrq9_processed.png&w=3840&q=75)
Transcribed Image Text:8:17 4
Done
1 of 21
1. Determine empirical formula and molecular formula for the compound that is 25.5%
carbon, 6.38% hydrogen, and 68.1% sulfur. Its molecular mass is close to 100 grams.
2. Calculate the mass percent composition of the elements in Mg(NO3),.
% Mg =,
% N =
% 0 =
3. Determine the grams of H2O produced if you started with 33.2 g Mg(OH)2.
Mg(OH)2 + 2HCI → MgCl2 + 2H2O
33.2 g
g ?
3
4. For the reaction quantities shown below:
Identify the limiting reagent and excess reactant.
The grams of TIO2 produced
The grams of excess reactant not consumed.
TiCl4
2 H2O
TiO2 +
4 HCІ
7.14 g
2.12 g
? g
I!!
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