Q4: 50 g of ananti-inflammatoryointmentwas found to contain 1.1 g of the main activeingredient. What is the percent by mass of theactive ingredient in this ointment?Q5: 50 g of a 26% (m/m) solution was mixedtogether with 130 g of a 17% (m/m) solution.What is the percentage concentration by massof the new solution?Q6: A 0.75 L bottle of vinegar contains 4%(v/v) of ethanoic acid. What volume ofethanoic acid does the bottle of vinegarcontain? Give your answer to two decimalplaces.

Since you have asked multiple type questions, we will solve only first questions for you. If you…

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Q4: 50 g of an anti-inflammatory ointment was found to contain 1.1 g of the main active ingredient. What is the percent by mass of the active ingredient in this ointment?

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

Q4: 50 g of an
anti-inflammatory
ointment
was found to contain 1.1 g of the main active
ingredient. What is the percent by mass of the
active ingredient in this ointment?
Q5: 50 g of a 26% (m/m) solution was mixed
together with 130 g of a 17% (m/m) solution.
What is the percentage concentration by mass
of the new solution?
Q6: A 0.75 L bottle of vinegar contains 4%
(v/v) of ethanoic acid. What volume of
ethanoic acid does the bottle of vinegar
contain? Give your answer to two decimal
places.

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