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(References This question has multiple parts. Work all the parts to get the most points. Calculate...
This question has multiple parts. Work all the parts to get the most points. a A...
This question has multiple parts. Work all the parts to get the most points. a A chemist prepares a solution by dissolving 3.00 g of potassium acetate in enough water to make 450.0 mL of solution. What is the percent concentration of this solution? (Enter your answer to three significant figures.)
please help me This question has multiple parts. Work all the parts to get the most...
please help me
This question has multiple parts. Work all the parts to get the most points. Calculate the solubility (in moles per liter) of Fe(OH)3 (Ksp = 4 x 10-58) in each of the following. a water Solubility = mol/L b a solution buffered at pH 6.0 mol/L Solubility C a solution buffered at pH = 10.0 Solubility = mol/L A 55.0-ml sample of 0.00150 M AgNO, is added to 55.0 ml. of 0.0300 M Nalog. What is the...
This question has multiple parts. Work all the parts to get the most points. How many...
This question has multiple parts. Work all the parts to get the most points. How many grams of solute are present in each of the following aqueous solutions? a 575 mL of a 2.40 M solution of nitric acid, HNO3- b 1.65 L of a 0.284 M solution of alanine, CzH7NO2. C 320 mL of a 8.7x10-3 M solution of calcium sulfate, CaSO4. Sunser Try Another Version 8 item attempts remaining
so locator assignment-take References This question has multiple parts. Work all the parts to get the...
so locator assignment-take References This question has multiple parts. Work all the parts to get the most points. You require 34.45 mL of 0.0105 M HCl to reach the equivalence point in the titration of 25.0 ml. of aqueous ammonia a What was the concentration of NH, in the original ammonia solution? Concentration Submit Submit Answer Try Another Version 10 item attempts remaining
[References) This question has multiple parts. Work all the parts to get the most points. An...
[References) This question has multiple parts. Work all the parts to get the most points. An energy of 7.0 x 10 J/atom is required to cause a copper atom on a metal surface to lose an electron a Calculate the longest possible wavelength of light that can ionize a copper atom. Wavelength D m Submit Submit Answer Submit Answer T ry Another Version Try Another Version 9 item attempts remaining iom attempts remaining Previous Next
(References) This question has multiple parts. Work all the parts to get the most points. The...
(References) This question has multiple parts. Work all the parts to get the most points. The reaction 2NO() + 2H2(g) → N (9) + 2H20(9) was studied at 904°C, and the data in the table were collected, Reaction Rate of Trial Concentration Appearance of Ne (mol/L) (mol/L-s) [NO] [H.] 1 0.420 0.122 0.136 2 0.210 0.122 0.0339 3 0.210 0.244 0.0678 4 0.106 0.488 0.0339 a which two reaction trials can be used to determine the order of the reaction...
This question has multiple parts. Work all the parts to get the most points. How would...
This question has multiple parts. Work all the parts to get the most points. How would you prepare 1.10 L of a 0.70-M solution of each of the following? a H, SO Dilute from "concentrated" (18 M ) sulfuric acid m L of concentrated H2SO4 pt 1 pt b HCl from concentrated" (12 M) reagent 1 pt Dilute mL of concentrated HCI NICI, from the salt NiCl 64,0 Dissolve g of NiCl . 61,0 in water, and add water until...
This question has multiple parts. Work all the parts to get the most points. a What...
This question has multiple parts. Work all the parts to get the most points. a What mass of silver chloride can be prepared by the reaction of 240.0 mL of 0.18 M silver nitrate with 240.0 mL of 0.15 M calcium chloride? Mass = 6.2 g Correct b Calculate the concentrations of each ion remaining in solution after precipitation is complete. (If no ions remain, leave the box blank and click on Submit.) Concentration of Agt = Concentration of Cl...
This question has multiple parts. Work all the parts to get the most points How many...
This question has multiple parts. Work all the parts to get the most points How many molecules are in each of the following? a 3.5 mol of TNT, C7H3N306 molecules (b one drop (0.0500 g) of water molecules C 3.9 x 10 g of aspirin, Cg HgO4 molecules Try Another Version 10 item attempts remaining Submit Answer Ethyl chloride is prepared by the reaction of chlorine with ethane according to the following balanced equation C2He(g)+Cl2(g) Ethane C2H5CI()+HCI(g) Ethyl chloride When...
just b please thank you. This question has multiple parts. Work all the parts to get...
just b please thank you.
This question has multiple parts. Work all the parts to get the most points. A titration of 21.7 mL of a solution of the weak base aniline, CH NH, (K) = 4.0 x 10-1), requires 24.35 mL of 0.175 M HCl to reach the equivalence point. C.H NH, (aq) + H, 0+ (aq) = CH NH,+ (aq) + H, 0(1) a What was the concentration of aniline in the original solution? Concentration - 196 MV...
please help me
This question has multiple parts. Work all the parts to get the most points. Calculate the solubility (in moles per liter) of Fe(OH)3 (Ksp = 4 x 10-58) in each of the following. a water Solubility = mol/L b a solution buffered at pH 6.0 mol/L Solubility C a solution buffered at pH = 10.0 Solubility = mol/L A 55.0-ml sample of 0.00150 M AgNO, is added to 55.0 ml. of 0.0300 M Nalog. What is the...
This question has multiple parts. Work all the parts to get the most points. How many grams of solute are present in each of the following aqueous solutions? a 575 mL of a 2.40 M solution of nitric acid, HNO3- b 1.65 L of a 0.284 M solution of alanine, CzH7NO2. C 320 mL of a 8.7x10-3 M solution of calcium sulfate, CaSO4. Sunser Try Another Version 8 item attempts remaining
so locator assignment-take References This question has multiple parts. Work all the parts to get the most points. You require 34.45 mL of 0.0105 M HCl to reach the equivalence point in the titration of 25.0 ml. of aqueous ammonia a What was the concentration of NH, in the original ammonia solution? Concentration Submit Submit Answer Try Another Version 10 item attempts remaining
[References) This question has multiple parts. Work all the parts to get the most points. An energy of 7.0 x 10 J/atom is required to cause a copper atom on a metal surface to lose an electron a Calculate the longest possible wavelength of light that can ionize a copper atom. Wavelength D m Submit Submit Answer Submit Answer T ry Another Version Try Another Version 9 item attempts remaining iom attempts remaining Previous Next
(References) This question has multiple parts. Work all the parts to get the most points. The reaction 2NO() + 2H2(g) → N (9) + 2H20(9) was studied at 904°C, and the data in the table were collected, Reaction Rate of Trial Concentration Appearance of Ne (mol/L) (mol/L-s) [NO] [H.] 1 0.420 0.122 0.136 2 0.210 0.122 0.0339 3 0.210 0.244 0.0678 4 0.106 0.488 0.0339 a which two reaction trials can be used to determine the order of the reaction...
This question has multiple parts. Work all the parts to get the most points. How would you prepare 1.10 L of a 0.70-M solution of each of the following? a H, SO Dilute from "concentrated" (18 M ) sulfuric acid m L of concentrated H2SO4 pt 1 pt b HCl from concentrated" (12 M) reagent 1 pt Dilute mL of concentrated HCI NICI, from the salt NiCl 64,0 Dissolve g of NiCl . 61,0 in water, and add water until...
This question has multiple parts. Work all the parts to get the most points. a What mass of silver chloride can be prepared by the reaction of 240.0 mL of 0.18 M silver nitrate with 240.0 mL of 0.15 M calcium chloride? Mass = 6.2 g Correct b Calculate the concentrations of each ion remaining in solution after precipitation is complete. (If no ions remain, leave the box blank and click on Submit.) Concentration of Agt = Concentration of Cl...
This question has multiple parts. Work all the parts to get the most points How many molecules are in each of the following? a 3.5 mol of TNT, C7H3N306 molecules (b one drop (0.0500 g) of water molecules C 3.9 x 10 g of aspirin, Cg HgO4 molecules Try Another Version 10 item attempts remaining Submit Answer Ethyl chloride is prepared by the reaction of chlorine with ethane according to the following balanced equation C2He(g)+Cl2(g) Ethane C2H5CI()+HCI(g) Ethyl chloride When...
just b please thank you.
This question has multiple parts. Work all the parts to get the most points. A titration of 21.7 mL of a solution of the weak base aniline, CH NH, (K) = 4.0 x 10-1), requires 24.35 mL of 0.175 M HCl to reach the equivalence point. C.H NH, (aq) + H, 0+ (aq) = CH NH,+ (aq) + H, 0(1) a What was the concentration of aniline in the original solution? Concentration - 196 MV...
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