Homework Answers
Add Answer to:
a) If you are given a solution that is 350 ppm Zn, how would you make...
Calculate the following: a.) The molar concentration of calcium ions and carbonate ions in pure water....
Calculate the following: a.) The molar concentration of calcium ions and carbonate ions in pure water. b.) The molar solubility of calcium carbonate in pure water. c.) The mass, in mg, of calcium carbonate (MM = 100 g/mol) you would need to dissolve in 1 L of pure water to make a saturated solution.
6 6. Zinc hydroxide, Zn(OH)2. is practically insoluble in pure water. (Kap 3.0 x 10-16) a) Determine the pH of a saturated aqueous solution of Zn(O1H)2. (You should assume that all hydroxide ions...
6 6. Zinc hydroxide, Zn(OH)2. is practically insoluble in pure water. (Kap 3.0 x 10-16) a) Determine the pH of a saturated aqueous solution of Zn(O1H)2. (You should assume that all hydroxide ions in the solution come from the Zn(OH)2: you can ignore the autoionization of water.) (4 pts) b) Zn(OH)2 is less soluble in even very dilute solutions of Zn(NOs)2 due to the common ion effect. Determine the molar solubility of zine hydroxide in a 1.0 x 10-4 M...
1. How many grams of zinc chloride are needed to make 245 mL of a 0.769...
1. How many grams of zinc chloride are needed to make 245 mL of a 0.769 M solution? 2. Calculate the concentration of the ions present in a 3.0 M sodium phosphate solution. in coolad hon 20 3. Calculate the concentration of a solution prepared by dissolving 35.0 g of aluminum carbonate in enough water to prepare 500.0 mL of solution. 4. The A student diluted 45.7 mL of a 3.78 M aluminum carbonate solution to a final volume of...
How would you make a 350 ml solution of 2% Glucose (MW = 180.16) in water?...
How would you make a 350 ml solution of 2% Glucose (MW = 180.16) in water? A) 2 grams of glucose into 300 ml of water. Bring up to 350 ml total volume. B) Add 350 ml of distilled water to a beaker. Add 7 grams of glucose. C) 7 grams of glucose into 300 ml of water. Bring up to 350 ml total volume. D) Add 350 ml of distilled water to a beaker. Add 20 grams glucose.
If you want to make 200.00 mL of a solution that is 1.75 ppm and you...
If you want to make 200.00 mL of a solution that is 1.75 ppm and you have a 12.0 ppm stock solution, how much of the stock solution should you measure out and dilute with water?
Solutions and Dilutions 1. What would be the percent (%) concentration of a solution that results...
Solutions and Dilutions 1. What would be the percent (%) concentration of a solution that results from the combination of 115.0 grams of potassium nitrate with 0.320 L of water? Identify the solute and solvent of the solution 2. A solution is prepared by mixing together 76.40 mL of liquid ethanol (C2H4O) and 110.25 mL of water. Identify the solute and solvent of the resulting solution. What would be the percent (%) concentration of the solution? 3. How many grams...
Is the calculated concentration for IO3- in the data table correct, and if not, how do I calculat...
Is the calculated concentration for IO3-
in the data table correct, and if not, how do I calculate it. Also,
the questions below the data table in the second picture. How are
they calculated?
2. The molar solubility of Cal(IO3)2 in pure water Temperature of the saturated solution of calcium iodate: Volume (or mass) of saturated calcium iodate solution titrated:O -24 °C ted:1 Q mL (or g) Data Trial 1 Trial 2 Trial 3 Volume of Na2S203 titrant Final buret...
Data Note: Salt Chosen is PbCl2 and initial temperature given is 37.78 Solution 1 1. Make...
Data Note: Salt Chosen is PbCl2 and initial temperature given is 37.78 Solution 1 1. Make a saturated solution of your salt at the initial temperature. a. Add 10g of the salt to a beaker. b. Add 200 mL of water to the beaker c. Change the temperature to your assigned temperature by right clicking on the beaker, choose Thermal Properties, check the Insulated from Surroundings box, and enter the desired temperature. d. Right click on the beaker with the...
1: You need to make an aqueous solution of 0.212 M barium hydroxide for an experiment...
1: You need to make an aqueous solution of 0.212 M barium hydroxide for an experiment in lab, using a 300 mL volumetric flask. How much solid barium hydroxide should you add? ____grams 2: How many milliliters of an aqueous solution of 0.219 M chromium(III) sulfate is needed to obtain 3.70 grams of the salt?____ml 3: In the laboratory you dissolve 23.1 g of zinc nitrate in a volumetric flask and add water to a total volume of 250 ....
At room temperature, you are given a litre of a solution of PbCl2(aq)inwhich there is excess...
At room temperature, you are given a litre of a solution of PbCl2(aq)inwhich there is excess PbCl2(s)i.e. a saturated solution. State and explain the effect of the following on the concentration of the Pb2+ ions in the solution? [Remember to use ideas on equilibrium, Le Chatelier's Principle, etc. in your answer] Adding more PbCl2 solid Adding NaClsolid Adding 500 ml of water, assuming there will still be excess solid afterwards. Heating the solution to 35 0C assuming the solubility is...
6 6. Zinc hydroxide, Zn(OH)2. is practically insoluble in pure water. (Kap 3.0 x 10-16) a) Determine the pH of a saturated aqueous solution of Zn(O1H)2. (You should assume that all hydroxide ions in the solution come from the Zn(OH)2: you can ignore the autoionization of water.) (4 pts) b) Zn(OH)2 is less soluble in even very dilute solutions of Zn(NOs)2 due to the common ion effect. Determine the molar solubility of zine hydroxide in a 1.0 x 10-4 M...
1. How many grams of zinc chloride are needed to make 245 mL of a 0.769 M solution? 2. Calculate the concentration of the ions present in a 3.0 M sodium phosphate solution. in coolad hon 20 3. Calculate the concentration of a solution prepared by dissolving 35.0 g of aluminum carbonate in enough water to prepare 500.0 mL of solution. 4. The A student diluted 45.7 mL of a 3.78 M aluminum carbonate solution to a final volume of...
How would you make a 350 ml solution of 2% Glucose (MW = 180.16) in water? A) 2 grams of glucose into 300 ml of water. Bring up to 350 ml total volume. B) Add 350 ml of distilled water to a beaker. Add 7 grams of glucose. C) 7 grams of glucose into 300 ml of water. Bring up to 350 ml total volume. D) Add 350 ml of distilled water to a beaker. Add 20 grams glucose.
Solutions and Dilutions 1. What would be the percent (%) concentration of a solution that results from the combination of 115.0 grams of potassium nitrate with 0.320 L of water? Identify the solute and solvent of the solution 2. A solution is prepared by mixing together 76.40 mL of liquid ethanol (C2H4O) and 110.25 mL of water. Identify the solute and solvent of the resulting solution. What would be the percent (%) concentration of the solution? 3. How many grams...
Is the calculated concentration for IO3-
in the data table correct, and if not, how do I calculate it. Also,
the questions below the data table in the second picture. How are
they calculated?
2. The molar solubility of Cal(IO3)2 in pure water Temperature of the saturated solution of calcium iodate: Volume (or mass) of saturated calcium iodate solution titrated:O -24 °C ted:1 Q mL (or g) Data Trial 1 Trial 2 Trial 3 Volume of Na2S203 titrant Final buret...
Most questions answered within 3 hours.
-
two charged proteins P1 and P2 are located at the positions
(1m,1m) and (-1m,1m) respectively on...
asked 15 seconds ago -
eBook
Calculator
Job Order Cost Sheet
Remnant Carpet Company sells and installs commercial carpeting
for office...
asked 5 minutes ago -
Using Kapustinskii equation, determine the lattice energy of a
hypothetical compound NaCl2 . Assume the sum...
asked 7 minutes ago -
Most schools and
businesses require some standard style of documentation for written
reports. Discuss why might...
asked 4 minutes ago -
cookbooks are going metric. in such books 1 cup is equal to 240
ml. Express 1...
asked 7 minutes ago -
________40. Which of the following is the correct sequence of
steps in the general
adaptation...
asked 16 minutes ago -
Hi, Please draw the network diagram.
Activity D on a CPM network has predecessors B and...
asked 18 minutes ago -
Explain how bacteria can be used in Food production
Explain the fermentation of Milk & Cheese...
asked 23 minutes ago -
A uniform, solid sphere of radius 4.50 cm and mass 4.50 kg
starts with a purely...
asked 38 minutes ago -
Consider the prisoners’ dilemma we discussed in class, with the
following twist. If both prisoners choose...
asked 22 minutes ago -
The length of a pencil is measured to be 10.00 cm with a ruler.
What is...
asked 34 minutes ago -
A 120 cm^3 box contains helium at a pressure of 1.80 atm and a
temperature of...
asked 39 minutes ago