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on a GC-MS or LC-MS one typically has to look as both the TIC and MS. why are both necessary?
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- grammarly-G X * Content oard.odu.edu/ultra/courses/_393452_1/cl/outline F2 Question Completion Status: X GA student wan X 1 QUESTION 3 A student wants to determine the solubility of water and copper (1) bromide (a green solid) in ethyl acetate (a colorless organic liquid). She places 1 mL of ethyl acetate into each of two test tubes. To one, she adds 5 drops of water to it. To the other, she adds a small scoop of copper(1) bromide. 8.0 F3 2 - Which test tube represents the ethyl acetate and A. Test tube 1 copper(1) bromide if the copper(1) bromide is insoluble in ethyl B. Test tube 2 acetate? C. Test tube 3 D. Test tube 4 - Which test tube represents the mixture of the ethyl acetate and water if the water is insoluble in ethyl acetate? $ Question Com X C Chegg Search x 3 Which test tube represents the mixture of the ethyl acetate and water if the water is soluble in ethyl acetate? - Which test tube represents the ethyl acetate and copper(1) bromide if the copper(1) bromide is soluble…Help plz thxsDistinguish the terms end point and equivalence point.
- In the determination of the water hardness of a river water sample, the pH of the sample was adjusted to 12 instead of 10. Is there a positive error, negative error, no effect, or error could not be determined In terms of the ppm CaCO3 of sample?Identify mitigating measure/s What should be the appropriate response to minimize harm Karen is asked to mix a solution of acid and water. He then added water to the acid and the mixture started splashing.The expression for K and K, for the reaction PH,BCI,(s) - PH,(g) + BCI,(g) K = [PH,J[BCI,1/[PH3BCI3] and K, = P(PH,)'p(BCI,) Select one: True False
- 1.10 M Acetic acid 0.900 M Sodium acetate Solution (mL) |(mL) [H3o*1 (M) 1 8.00 2.00 8.71e-5M 2 7.00 3.00 5.13e-5M 3 6.00 4.00 3.24e-5M 4 5.00 5.00 4.00 6.00 6. 3.00 7.00 7 2.00 8.00 8 1.00 9.00One of your classmates (or you, perhaps!) forgot to add phenolphthalein indicator before starting the titration, and he/she already began adding sodium hydroxide from the buret! Uh oh...what should be done? a) Just restart. The trial is completely ruined. b) Add a couple drops of phenolphthalein into the acid flask. If it remains clear, nothing's wrong. If it changes to dark pink, record the final buret reading and call it a successful trial. c) Add a couple drops of phenolphthalein into the buret to turn the sodium hydroxide solution dark pink. That will really make your instructor happy.......right? d) Add a couple drops of phenolphthalein into the acid flask. If it remains clear, nothing's wrong. If it changes to dark pink, I guess you need to restart! e) Add a couple drops of phenolphthalein into the acid flask just for the heck of it. You need to restart anyways, but why not have some fun?ннн о H-с-с-с-с-он Н-с-с-с-с HHH O-H butyric acid (2) miscible HHHH 2. Consider the two molecules shown here. The solubilities of each in water is given. a) What is "solubility"? What does the solubility value given for (1) here mean? HHHH 1-butanol (1) 7.3 g/100 mL b) Please explain, based on their structures, why the solubility of (2) is greater than the solubility of (1) in water. For a complete answer, you should start with the types of IMFS involved in the different parts of the dissolving process. You should also use the kind of reasoning from class regarding the contributions to AHsolution and (briefly) the roles of energy and entropy in dissolving a solute in a solvent.
- The ph is 7 , which is needed to answer theCalculate : 1)Mean Experimental solubility of calcium hydroxide 2)standard deviation 3)RSD(pph)Saved CHEMY 101 SEC SEM T2 2020-21 The amount of water which should be added to 0.700 M NAOH solution to make 100 mL 0.250 M solution is 19 Multiple Choice 01:25:58 79.6 mL 35.7 mL 55.2 mL 64.3 mL raw K Prev 19 of 20 Next >