I have a 25x stock solution of buffer. How many ml do I add to water to make 50ml of 1x buffer?O A. 1 ml 25x stock, 49 ml waterO B. 10 ml 25x stock, 40 ml waterO C. 2 ml 25x stock, 48 ml watertoD. 25 ml 25x stock, 25 ml waterE. 5 ml 25x stock, 45 ml waterReset Selection

The preparation of solutions containing known concentration of solute is important for performing…

Answered: I have a 25x stock solution of buffer.…

Basic Clinical Laboratory Techniques 6E

6th Edition

ISBN:9781133893943

Author:ESTRIDGE

Publisher:ESTRIDGE

Chapter1: The Clinical Laboratory

Section1.8: Laboratory Math And Reagent Preparation

Problem 2.1CS

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Joshua needs 150mL of 1X TBE buffer. The stock of TBE Buffer is 15X. How much 15X TBE buffer should he use to make 150mL 1X TBE buffer? O 5mL 25mL O 10mL O 15mL O 20mL O o o o
a. calculate the volume of 0.1 M H2PO4– required to prepare 100 mL of your assigned buffer. b. calculate the volume of 0.1 M HPO42– required to prepare 100 mL of your assigned buffer. 1. Assigned pH Value ___6.90_________ 2. pKa Value of Assigned Buffer ___7.20_________ 3. Ratio 0.5011
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I have a 25x stock solution of buffer. How many ml do I add to water to make 50ml of 1x buffer O A. 1 ml 25x stock, 49 ml water B. 10 ml 25x stock, 40 ml water C. 2 ml 25x stock, 48 ml water D. 25 ml 25x stock, 25 ml water O E. 5 ml 25x stock, 45 ml water