Can you please try to answer these four questions for me?
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Can you please try to answer these four questions for
me?
Which solution would you expect...
Can you please try to answer these four questions for me? 3 pts Question 16 A...
Can you please try to answer these four questions for
me?
3 pts Question 16 A calibration standard has a concentration of 0.250 M. It is found to have an absorbance of 1.256. An unknown solution has an absorbance of 0.875, what is it's molarity? Question 17 In the iron thiocynate reaction a student gets the following values: [Fe3+10:0.0024M [SCN): 0.0079 M [FeSCN2+leg: 0.00055 M Given these values calculate the Kc of this reaction. Consider the react that you did...
Version 2 sider the phase diagram of an aqueous solution and that for pure water. Which...
Version 2 sider the phase diagram of an aqueous solution and that for pure water. Which of the following statements are true? A) The line representing freezing for the solution phase diagram is shifted to the left / of that for pure water. (B) The line representing freezing for the solution phase diagram is shifted to the right of that for pure water. C) The line representing boiling for the solution phase diagram is shifted to the left of that...
please help me with all the steps. 15. Which of the following mixtures would result in...
please help me with all the steps.
15. Which of the following mixtures would result in a buffered solution? a. Mixing 100.0 mL of 0.100 M HCl with 100.0 mL of 0.100 M NaOH. b. Mixing 100.0 mL of 0.100 M NH3 (K5=1.8 x 10-5) with 100.0 mL of 0.100 M NaOH. c. Mixing 100.0 mL of 0.100 M HCl with 100.0 mL of 0.100 M NH; (K =18x 10 %. d. Mixing 50.0 mL of 0.100 M HCl with...
Can you please try to answer these four questions for me? 3 pts Question 22 20.0mL...
Can you please try to answer these four questions for
me?
3 pts Question 22 20.0mL of a 0.100 M solution of HA is mixed with 10.0mL of water. The pH of the solution is 1.25. What is the Ka of the acid? Report your answer to 3 decimal points. 3 p Question 27 Determine the molar solubility of an ionic compound with the general formula X,Y, where X is the cation and Y is the anion, given a Ksp...
What is the molar concentration of potassium ions in a 0.300 MK2CO3 solution? 0.150 M 0.600...
What is the molar concentration of potassium ions in a 0.300 MK2CO3 solution? 0.150 M 0.600 M 0.900 M 0.300 M Which compound forms an electrolyte solution when dissolved in water? O C2H5OH C6H12O6 (glucose) O Nal O Cl2 A solution is saturated in H2 gas and LiCl at room temperature. What happens if the solution is warmed to 75 °C? Solid LiCl precipitates out of solution. Solid LiCl precipitates out of solution and gaseous H2 bubbles out of solution....
massa volum volum mo olu 5. In which of the following solvents would you expect KBr...
massa volum volum mo olu 5. In which of the following solvents would you expect KBr to be most soluble? a) CH4 (hexane) d) CCM (carbon tetrachloride) b) CH CH OH (ethanol) e) C.Hz (cyclohexane) c) CH. (benzene) ___6. A 9.50 % by mass solution of acetone (C,H,O) in water has a density of 0.9849 g/mL at 20°C. What is the molarity of this solution? a) 0.621 M b) 1.61 Me) 1.66 Md ) 1.71 M e ) 16.9 M...
can you please help me solve these four questions? I'm a little desperate to finish them....
can you please help me solve these four questions? I'm
a little desperate to finish them.
en 24 24 50 Constants Periodic Tate Part A Calculate the pe of a soron formed by muung 4500 ml. of 30 M HCO with 225.0 mL of 0 20 M NACIO. The K, for HCKO is 29 x 10" O 599 0 0.01 07.06 6.46 754 Hide Timer 01/15:01 Item 25 25 of 60 ( Suppose an aqueous solution contains both 0.100 MHA...
Given the data below, how many grams of NaCl would you expect to be formed in...
Given the data below, how many grams of NaCl would you expect to be formed in the reaction of excess HCl with the Na,CO3? The molar mass of sodium carbonate is 105.989 g/mol and the molar mass of sodium chloride is 58.443 g/mol. 83.000 mass of empty beaker (g) mass of beaker plus Na2CO3 (9) mass of Na2CO3 (9) 85.250 2.250 Select one: O a. 2.481 g O b. 3.308 g O c.4.962 g O d. 1.241 g You added...
please solve what you can and show your work. I'm not really good in chemistry??♀️ Home...
please solve what you can and show your work. I'm not really
good in chemistry??♀️
Home assignment: Chapter 4: Aqueous Reactions and Solution Stoichiometry 1) Of the species below, only is not an electrolyte. A) HCI B) Rb2804 C) Ar D) KOH E) NaCI 2) Aqueous potassium chloride will react with which one of the following in an exchange (metathesis) reaction? A) calcium nitrate B) sodium bromide C) lead nitrate D) barium nitrate E) sodium chloride 3) When aqueous solutions...
can you please help me solve these four questions? I'm a little desperate to finish them....
can you please help me solve these four questions? I'm
a little desperate to finish them.
Im 55 Part A A sons made by adding 650g of to water to proche 624 ml of solution Calculate the mass percent of CF in the soon. The density of the solution is 1 12 gimi 10 15 11 10.4 ОО 8575 Item 54 54 of 60 The rate law for the reaction, 2 A(g) - B(g) + C(9), was found to be...
Can you please try to answer these four questions for
me?
3 pts Question 16 A calibration standard has a concentration of 0.250 M. It is found to have an absorbance of 1.256. An unknown solution has an absorbance of 0.875, what is it's molarity? Question 17 In the iron thiocynate reaction a student gets the following values: [Fe3+10:0.0024M [SCN): 0.0079 M [FeSCN2+leg: 0.00055 M Given these values calculate the Kc of this reaction. Consider the react that you did...
Version 2 sider the phase diagram of an aqueous solution and that for pure water. Which of the following statements are true? A) The line representing freezing for the solution phase diagram is shifted to the left / of that for pure water. (B) The line representing freezing for the solution phase diagram is shifted to the right of that for pure water. C) The line representing boiling for the solution phase diagram is shifted to the left of that...
please help me with all the steps.
15. Which of the following mixtures would result in a buffered solution? a. Mixing 100.0 mL of 0.100 M HCl with 100.0 mL of 0.100 M NaOH. b. Mixing 100.0 mL of 0.100 M NH3 (K5=1.8 x 10-5) with 100.0 mL of 0.100 M NaOH. c. Mixing 100.0 mL of 0.100 M HCl with 100.0 mL of 0.100 M NH; (K =18x 10 %. d. Mixing 50.0 mL of 0.100 M HCl with...
Can you please try to answer these four questions for
me?
3 pts Question 22 20.0mL of a 0.100 M solution of HA is mixed with 10.0mL of water. The pH of the solution is 1.25. What is the Ka of the acid? Report your answer to 3 decimal points. 3 p Question 27 Determine the molar solubility of an ionic compound with the general formula X,Y, where X is the cation and Y is the anion, given a Ksp...
What is the molar concentration of potassium ions in a 0.300 MK2CO3 solution? 0.150 M 0.600 M 0.900 M 0.300 M Which compound forms an electrolyte solution when dissolved in water? O C2H5OH C6H12O6 (glucose) O Nal O Cl2 A solution is saturated in H2 gas and LiCl at room temperature. What happens if the solution is warmed to 75 °C? Solid LiCl precipitates out of solution. Solid LiCl precipitates out of solution and gaseous H2 bubbles out of solution....
massa volum volum mo olu 5. In which of the following solvents would you expect KBr to be most soluble? a) CH4 (hexane) d) CCM (carbon tetrachloride) b) CH CH OH (ethanol) e) C.Hz (cyclohexane) c) CH. (benzene) ___6. A 9.50 % by mass solution of acetone (C,H,O) in water has a density of 0.9849 g/mL at 20°C. What is the molarity of this solution? a) 0.621 M b) 1.61 Me) 1.66 Md ) 1.71 M e ) 16.9 M...
can you please help me solve these four questions? I'm
a little desperate to finish them.
en 24 24 50 Constants Periodic Tate Part A Calculate the pe of a soron formed by muung 4500 ml. of 30 M HCO with 225.0 mL of 0 20 M NACIO. The K, for HCKO is 29 x 10" O 599 0 0.01 07.06 6.46 754 Hide Timer 01/15:01 Item 25 25 of 60 ( Suppose an aqueous solution contains both 0.100 MHA...
Given the data below, how many grams of NaCl would you expect to be formed in the reaction of excess HCl with the Na,CO3? The molar mass of sodium carbonate is 105.989 g/mol and the molar mass of sodium chloride is 58.443 g/mol. 83.000 mass of empty beaker (g) mass of beaker plus Na2CO3 (9) mass of Na2CO3 (9) 85.250 2.250 Select one: O a. 2.481 g O b. 3.308 g O c.4.962 g O d. 1.241 g You added...
please solve what you can and show your work. I'm not really
good in chemistry??♀️
Home assignment: Chapter 4: Aqueous Reactions and Solution Stoichiometry 1) Of the species below, only is not an electrolyte. A) HCI B) Rb2804 C) Ar D) KOH E) NaCI 2) Aqueous potassium chloride will react with which one of the following in an exchange (metathesis) reaction? A) calcium nitrate B) sodium bromide C) lead nitrate D) barium nitrate E) sodium chloride 3) When aqueous solutions...
can you please help me solve these four questions? I'm
a little desperate to finish them.
Im 55 Part A A sons made by adding 650g of to water to proche 624 ml of solution Calculate the mass percent of CF in the soon. The density of the solution is 1 12 gimi 10 15 11 10.4 ОО 8575 Item 54 54 of 60 The rate law for the reaction, 2 A(g) - B(g) + C(9), was found to be...
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