How much 20.0% NaOH should I put in a 30.0 ml tube if my dilution ratio is 1/10. What is the concentration of the tube. ml of 20.0% Just put the number of mL Do not enter anything but a number. Use correct sig figs. Remember ratios and conversion factors do not enter the significant figure calculation. What is the concentration in percent. Again, correct significant figures. NUMBERS only not the % sign

How much 20.0% NaOH should I put in a 30.0 ml tube if my dilution ratio is 1/10. What is the concentration of the tube. ml of 20.0% Just put the number of mL Do not enter anything but a number. Use correct sig figs. Remember ratios and conversion factors do not enter the significant figure calculation. What is the concentration in percent. Again, correct significant figures. NUMBERS only not the % sign

Chemistry: An Atoms First Approach

2nd Edition

ISBN:9781305079243

Author:Steven S. Zumdahl, Susan A. Zumdahl

Publisher:Steven S. Zumdahl, Susan A. Zumdahl

Chapter6: Types Of Chemical Reactions And Solution Stoichiometry

Section: Chapter Questions

Problem 4RQ

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The units of parts per million (ppm) and parts per billion (ppb) are commonly used by environmental chemists. In general, 1 ppm means 1 part of solute for every 106 parts of solution. Mathematically, by mass: ppm=gsolutegsolution=mgsolutekgsolution In the case of very dilute aqueous solutions, a concentration of 1.0 ppm is equal to 1.0 g of solute per 1.0 mL, which equals 1.0 g solution. Parts per billion is defined in a similar fashion. Calculate the molarity of each of the following aqueous solutions. a. 5.0 ppb Hg in H2O b. 1.0 ppb CHCl3 in H2O c. 10.0 ppm As in H2O d. 0.10 ppm DDT (C14H9Cl5) in H2O