1) Calculate percent concentration of a 150-gram solution containing 30 g Salt. 2) Calculate Molarity of 5.0 Liter NaQH solution containing 1.5 moles NaOH 3) Calculate Molarity of 500 mL HC) solution containing 0.25 mol 4) Calculate pH of 0.0020 M HCI solution 5) Calculate pH of 0.0000100 M HC) solution 6) What is the approximate pH of stomach acid? 7) What is the approximate pH of human blood? 8) Pure water has a pH of 7. Is it acidic, neutral, or basic? 9) pH of soda drink is about 3. Is it acidic, neutral, or basic?

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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Question
1) Calculate percent concentration of a 150-gram solution
containing 30 g Salt.
2) Calculate Molarity of 5.0 Liter NaOQH solution containing 1.5
moles NaOH
3) Calculate Molarity of 500 ml HC) solution containing 0.25 mol
HCI
4) Calculate pH of 0.0020 M HCI solution
5) Calculate pH of 0.0000100 M HC solution
6) What is the approximate pH of stomach acid?
7) What is the approximate pH of human blood?
8) Pure water has a pH of 7. Is it acidic, neutral, or basic?
9) pH of soda drink is about 3. Is it acidic, neutral, or basic?
|
Transcribed Image Text:1) Calculate percent concentration of a 150-gram solution containing 30 g Salt. 2) Calculate Molarity of 5.0 Liter NaOQH solution containing 1.5 moles NaOH 3) Calculate Molarity of 500 ml HC) solution containing 0.25 mol HCI 4) Calculate pH of 0.0020 M HCI solution 5) Calculate pH of 0.0000100 M HC solution 6) What is the approximate pH of stomach acid? 7) What is the approximate pH of human blood? 8) Pure water has a pH of 7. Is it acidic, neutral, or basic? 9) pH of soda drink is about 3. Is it acidic, neutral, or basic? |
CH4 + 2 02 --> CO2 + 2 H2O
1) How many moles of H20 are produced when 12 moles of CH4
react completely?
2) How many moles of CO2 are produced when 6 moles of 02
react completely?
3) How many moles of CH4 are needed to produce 9 moles of H20
Transcribed Image Text:CH4 + 2 02 --> CO2 + 2 H2O 1) How many moles of H20 are produced when 12 moles of CH4 react completely? 2) How many moles of CO2 are produced when 6 moles of 02 react completely? 3) How many moles of CH4 are needed to produce 9 moles of H20
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