Calculate the percent by mass of oxygen in each of the following compounds: (a) Fe2O3 (b) Al2O3A commercial mouthwash contains 4.5 g of ethanol and 0.022g antiseptic in each 30.-mL portion. Calculate the w/v percent concentration of each component.How many mL of ethanol are contained in a 30.-mL portion of mouthwash that has 8.5%(v/v) of ethanol?A cough medicine contains 0.22% (w/v) dextromethorphan, a cough suppressant , and 2.2% (w/v) guaifenesin, an expectorant. How many mg of each drug would you obtain from 3.0 tsp of cough syrup? (1 tsp = 5 ml) Problem #FormulaSolution (substitute the given, encircle final answer)1.Given:Reg'd:2.Given:Reg'd:3.Given:Reg'd:4.Given:Reg'd

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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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Calculate the percent by mass of oxygen in each of the following compounds: (a) Fe₂O₃ (b) Al₂O₃
A commercial mouthwash contains 4.5 g of ethanol and 0.022g antiseptic in each 30.-mL portion. Calculate the w/v percent concentration of each component.
How many mL of ethanol are contained in a 30.-mL portion of mouthwash that has 8.5%(v/v) of ethanol?
A cough medicine contains 0.22% (w/v) dextromethorphan, a cough suppressant , and 2.2% (w/v) guaifenesin, an expectorant. How many mg of each drug would you obtain from 3.0 tsp of cough syrup? (1 tsp = 5 ml)

Problem #
Formula
Solution (substitute the given, encircle final answer)
1.
Given:
Reg'd:
2.
Given:
Reg'd:
3.
Given:
Reg'd:
4.
Given:
Reg'd

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