How do you prepare 200 ml 5% (w/v) CuCl2 mixture in water? Select one: a. Adding 190 ml ethanol to 200 mol volumetric flask and make up the volume with water b. Adding 10 gr ethanol to 200 ml volumetric flask and make up the volume with water C. Adding 10 ml ethanol and 190 ml water to volumetric flask d. Adding 10 ml ethanol to 200 ml volumetric flask and make up the volume with water

How do you prepare 200 ml 5% (w/v) CuCl2 mixture in water? Select one: a. Adding 190 ml ethanol to 200 mol volumetric flask and make up the volume with water b. Adding 10 gr ethanol to 200 ml volumetric flask and make up the volume with water C. Adding 10 ml ethanol and 190 ml water to volumetric flask d. Adding 10 ml ethanol to 200 ml volumetric flask and make up the volume with water

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...

See similar textbooks

Similar questions

4. A. 7.76 x 10 B. 1.33 X TU Find the mol of solute in 250 mL of a solution that contains 5.41 ppm of NaSO4 (142.04 g mol-¹). A. 9.52 x 10-6 B. 3.81 x 10-5 C. 2.38 x 10-³ D. 3.81 x 10-3 E. 9.52 x 10-3 °1
HQ12.22 X Answered. 1 attempt left Find the volume of HCI gas at STP required to prepare 3.50 L of a 0.100 m HCI solution (assume water density = 1.00 g/mL). Numeric answer 8.68 X X Answered - Incorrect Done
Hw.2. In the laboratory you are asked to make a 0.586 m zinc acetate solution using 355 grams of water.How many grams of zinc acetate should you add?_________ grams.
part 2
i hope you can answer the questions. really need it.
Calculate the volume of stock glucose solutions (2.5 % and 15%) that need to be used to prepare 800 mL of glucose solution with a concentration of 13%. In this case % refers to the grams of glucose per 100 mL of water. V1= volume of stock solution with concentration C (2.5%) V2= volume of stock solution with concentration C2 (15 %) You need to determine V, and V2 in mL
39
Q1: A solution containing 10 mmol CaCl2 is diluted to 1 L. Calculate the number of grams of CaCl2.2H2O per milliliter of the final solution?
A solution is prepared from 27.5 g NaCl and 112g yielding a total volume of 120. ml. What is the concentration, in mass percent (m/m) of the solution? Select one: OA. 19.7% (m/m) 3.00% (m/m) OC 40.0% (m/m) D. 0.250 % (m/m) OE 33.3% (m/m)
To prepare the solution you would place the solute in a 50.0 ml volumetric flask, and then fill to the mark with water while mixing. This would give a total solution volume of 50.0 ml. The 5.0 solution needs to be diluted to make 10.0 ml of a 2.0% solution. What volume of 5.0% solution should be used? Please answer fast i give you upvote.
IZVW @ ol:09 zain IQ li. How many millilitres of concentrated sulphuric acid, 99.0%, density 1.831 g/cm3, are required to prepare 0.6 liter of a 0.2 M solution? Note ( M.wt of sulphuric acid = 98.1 g/mol) * %3D 5.7 ml 18.4 ml 6.5 ml 17.5 ml prepare a standard solution of a potassium Chloride (KCI), 0.3 N in 500 ml of water. (atomic weight : K=19 , Cl=35 ) ? * 1.8 gm 8.1 gm 81 gm 0.81 gm docs.google.com a
ML b. Describe how you would prepare 1 L of a 50 mM solution of acetic acid. The gram formula weight of acetic acid is 60 g/mol." M3D Tou c. Describe how you would prepare 800 mL of a 200 mM solution of sodium chloride. The gram formula weight of sodium chloride is 58 g/mol. 2. Percent solutions toeMm a. Describe how you would prepare 500 mL of a solution that is 1% phenolphthalein (solid/powder) by mass (means that % = g/100 mL) %3D oduloe Mm b. Describe how you would prepare 500 mL of a solution that is 25% acetic acid (liquid) by volume. (means that % = mL/100 mL) ☆ next wed Simernod