


Can i get a brief summary of hoe to answer number 1 and 2 a hyper...
1. Silver(I) chloride is insoluble in water. A chemist wishes to prepare 28.7 g of silver(I) chloride by mixing together aqueous solutions of 0.400 M silver(I) nitrate and 1.00 M calcium chloride. What is the theoretical volume of each solution she should use? 2.Solutions of mercury(II) perchlorate and sodium iodide react to form solid mercury(II) iodide and aqueous sodium perchlorate. Consider mixing 350 mL of 0.0800 M sodium iodide and 200 mL of 0.120 M mercury(II) perchlorate. a) How many...
answer 1-4
Which of the following (a-d) is TRUE regarding solid NaCl dissolving in water The attraction of the water to the ions in NaCl is through dipole-dipole IFs. Water is considered the solute and NaCl the solvent. The partially positive oxygen in water is attracted to the chloride ion. d. The process of separating the sodium ions from the chloride ions is endothermic. All of these statements are true. polar For the following solution, describe the deviation with respect...
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...
Questions I a) What is osmosis? b) What is dialysis? Can MgSO4 pass through? Explain. 2. Can starch pass through a dialyzing membrane? (Support your claim with evidence from the experiment.) 3. Explain why people who are adrift in a lifeboat without a supply of fresh water are advised not to drink ocean water. note - Ocean water is saltier than body fluids like blood plasma. 4. In terms of osmosis, what happens when fresh water is inhaled into a...
T H E HUL I giups, UI CUPY WILT Work 1) Refer to the following information for parts a-d: The calcium ion is among the most important minerals for the human body. Maintaining proper calcium levels over a lifetime is strongly correlated with osteoporosis prevention. The recommended daily allowance (RDA) of calcium is 1.200 mg daily. Calcium supplements are available as calcium carbonate and calcium citrate, Ca (C.HSO). a. What is the mass percent of calcium in calcium citrate? b....
4.30. Using solubility rules, predict the solubility in water of the following ionic compounds. a. AI(OH) b. CaN C. NH4CI d. KOH 4.32. Using solubility rules, decide whether the following ionic solids are soluble or insoluble in water. If they are soluble, write the chemical equation for dissolving in water and indicate what ions you would expect to be present in solution. (NE SO b. BaCO c. Pb(NOs)2 d. Ca(OH) 4.34. Write net ionic equations for the following molecular equations....
can someone please answer number one? im so lost
DYES AND DYEING CHAPTER 1. Calculate the amounts of salicylic acid, 1-naphthol, 2-naphthol, 8-anilino-1-naph- thalenesulfonic acid ammonium salt, or N,N-dimethylaniline needed for Part 1B of this experiment (use molecules as assigned by your TA). 190mg 3-aminobenzene 2.5mL Sulfonic acid 2.5% sodium carbonate solution 81mg Sodium nitrate 2. What is the purpose of the sodium carbonate in Part 1A? Why do we add glacial acetic acid in Part 13 when we react...
please, I need assistance with this Laboratory Report
on the periodic table.
Part A 1. Place 9 clean small test tubes in a test tube rack. The test tubes should be clean but do not have to be dry because aqueous solutions will be used. 2. To cach test tube add 5 drops of the solution (0.1 M) indicated in the data table. 3. Next add 5 drops of silver nitrate (0.5 M) to each of the 9 test tubes....
Can I get help with 3 please, but may you please check my responses
for 1 & 2.
Problems 1. Oxalic acid dihydrate, HyC204 2H20, is often used as a primary standard for the standardization of base solutions. For a procedure comparable to this experiment, approximately how many grams of oxalic acid dihydrate should be used in order to have a volume of about 15 ml of NaOH solution (approximately 0.15M) for the titration? The acid is diprotic (two H...
please answer the prelab excercise:) I tried doing it but I did not
get very far
Experiment 7: Grignard Reaction. Introduction Discovered by French chemist Victor Grignard, the reaction that now bears his name is an example of the preparation of an organometallic reagent. In this lab, phenylmagnesium bromide is the Grignard of interest, and it will be added to an aldehyde to produce an alcohol. Lab Objectives 1. To study organometallic reagents in general. benzophenone. 2. To prepare phenylmagnesium...