1. You need to make more of the 20 mg/ml X-gal stock, but somebody put an almost empty jar back on the shelf – there is only 9 mg of X-gal left. How many milliliters of water would you add to use the rest of the X-gal powder before buying more? Answer with two decimal places.

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
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1. You need to make more of the 20 mg/ml X-gal stock, but somebody put an almost empty jar back on the shelf – there is only 9 mg of X-gal left. How many milliliters of water would you add to use the rest of the X-gal powder before buying more? Answer with two decimal places. 2. You want to make a large quantity of 0.2 M sodium citrate, but there is only 5 g left of the Sodium citrate dihydrate chemical (FW = 294.10 g/mol) on the shelf. What volume (in milliliters) could you make? Answer with two decimal places.
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