49. Which one of the following is the required amount of Benzalkonium Chloride Solution BP to prepare 300ml of a 10% (w/v) benzalkonium chloride? (Benzalkonium Chloride Solution BP is 50% (w/v) benzalkonium chloride) ABCDE A. B. C. D. ->E. 10ml 30ml 40ml 50ml 60ml

49. Which one of the following is the required amount of Benzalkonium Chloride Solution BP to prepare 300ml of a 10% (w/v) benzalkonium chloride? (Benzalkonium Chloride Solution BP is 50% (w/v) benzalkonium chloride) ABCDE A. B. C. D. ->E. 10ml 30ml 40ml 50ml 60ml

Macroscale and Microscale Organic Experiments

7th Edition

ISBN:9781305577190

Author:Kenneth L. Williamson, Katherine M. Masters

Publisher:Kenneth L. Williamson, Katherine M. Masters

Chapter7: Extraction

Section: Chapter Questions

Problem 1Q

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Concept explainers

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.

Question

The answer for Q#49 is E and Q#50 is B but I want to understand the steps or solving method.

Please solve both for me.

thank you.

49.
50.
Which one of the following is the required amount of Benzalkonium Chloride
Solution BP to prepare 300ml of a 10% (w/v) benzalkonium chloride?
(Benzalkonium Chloride Solution BP is 50% (w/v) benzalkonium chloride)
ABCDE
A.
B.
C.
D.
->E.
An 11 stone man has a biliary tract infection which is resistant to gentamicin. He
requires a daily dose of 200mg/kg of amikacin. How many millilitres of amikacin
injection should be given in 24 hours?
A. 44.99ml
B. 55.88ml
66.77ml
77.66ml
88.55ml
ABCDE
C.
10ml
30ml
40ml
50ml
60ml
D.
E.
15476

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