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t ltemsv Assessments. Communication Grades ne Clarissa Roberts: Attempt 2 Question 1 (1 point) d An...
please show all work. thank you A 10. equivalence point. L sample of vinegar, an aqueous solution of acetic acid (HC2H02), is titrated with 0.5003 M NaOH, and 15.00 mL is required to reach the a....
please show all work. thank you
A 10. equivalence point. L sample of vinegar, an aqueous solution of acetic acid (HC2H02), is titrated with 0.5003 M NaOH, and 15.00 mL is required to reach the a. What is the molarity of the acetic acid? b. If the density of the vinegar is 1.006 g/cm3, what is the mass percent of acetic acid in the vinegar?
A 10. equivalence point. L sample of vinegar, an aqueous solution of acetic acid (HC2H02),...
Assessments', Communication', Resources ﹀ Online Rooms Calendar n "Chapters 1 - 8" Time Left:2:06:43Dipaliben Pate...
Assessments', Communication', Resources ﹀ Online Rooms Calendar n "Chapters 1 - 8" Time Left:2:06:43Dipaliben Patel: Attempt 1 dvt Question 18 (1 point) Who performs an expedited IRB review? The Principal Investigator The Full IRB The IRB Administrative Assistant The IRB Chair Save Question 19 (1 point) Place the steps of a basic qualitative research study in ascending order. Construct research questions
answers will vary for this question.) (a) Using the average molarity value you reported for your...
answers will vary for this question.) (a) Using the average molarity value you reported for your unknown acetic acid solution in Part 2, how many grams of acetic acid would be present in 1.00 L of your unknown acetic acid solution? 0.295 mol HCH₂O2/1oox 60.069 HC2H₂O I T Imoltte H₂O2 = 17,79 HC₂H₂O₂ L 17.79 HGHz Oz (b) Convert the molarity of your unknown acetic acid solution into a mass percent of acetic acid. Assume that the density of your...
Question 1 (1 point) A 52.30 g sample of Ba(OH)2 is dissolved in enough water to...
Question 1 (1 point) A 52.30 g sample of Ba(OH)2 is dissolved in enough water to make 1.20 L of solution. How many milliliters of this solution must be diluted with water in order to make 1.00 L of 0.100 M Ba(OH)2? 62.8 mL 254 mL O 305 ml O 523 mL O 393 mL O Question 2 (1 point) A chemist needs 225 mL of 2.3 M HCl. What volume of 12 M HCl must be dissolved in water...
rades Communication AssessmentsTools Resources eft:0:30:27 Corey Robinson: Attempt 1 Question 1 (0.5 points) How many grams...
rades Communication AssessmentsTools Resources eft:0:30:27 Corey Robinson: Attempt 1 Question 1 (0.5 points) How many grams of H3PO4 are in 265 mL of a 1.50 M solution of H3PO4? Save Question 2 (0.5 points) What is the concentration (M) of a NaCl solution prepared by dissolving 7.2 g of NaC in sufficient water to give 425 mL of solution? Save 492 F6 FS F3 9 6 3 4
les Data Table 3: Analysis of Milk of Magnesia ge ne err Trial 1 Trial 2 Mass of milk of magnesia 1.14 g/ml Density of...
les Data Table 3: Analysis of Milk of Magnesia ge ne err Trial 1 Trial 2 Mass of milk of magnesia 1.14 g/ml Density of milk of magnesia Volume of acetic acid, initial Volume of acetic acid, final Volume of acetic acid, total Concentration of acetic acid Moles of acetic acid 0.88 M Moles of Mg(OH)2 Moles Mg(OH)2/ g milk of magnesia
20 Question (1 point) 1st attempt The molar mass of a gas at STP is 92.0...
20 Question (1 point) 1st attempt The molar mass of a gas at STP is 92.0 g/mol. What is its density in g/L? g/L
Question 6 of 14 (1 point) Question Attempt: 1 of Unlimited 1 2 3 4 5...
Question 6 of 14 (1 point) Question Attempt: 1 of Unlimited 1 2 3 4 5 6 X 7 8 9 = 10 X 11 X 12 X 13 A student prepares a 0.32 mM aqueous solution of trimethylacetic acid (C_H,CO,H). Calculate the fraction of trimethylacetic acid that is in the dissociated form in his solution. Express your answer as a percentage. You will probably find some useful data in the ALEKS Data resource. Round your answer to 2 significant...
Question #2 -/1 points How many grams of calcium nitrate need to be dissolved in 75...
Question #2 -/1 points How many grams of calcium nitrate need to be dissolved in 75 mL of water to form a solution that has a freezing point of -3.2 deg C? grams of calcium nitrate Evaluate Question #3 -/1 points What is the freezing point in °C) of a solution of 8.0 g of carbon tetrachloride, CCl4, in 80.0 g of benzene, C6H6. For benzene, Tp = 5.5°C and Kf = 5.12 deg kg mole?? Freezing point of solution...
11 Question (1 point) 1st attempt Feedback lud See Periodic Table See Hint AO.SOO M solution...
11 Question (1 point) 1st attempt Feedback lud See Periodic Table See Hint AO.SOO M solution of potassium hydroxide is used to titrate citric acid (citric acid has three acidic hydrogens per molecule). How many mL of potassium hydroxide will be needed to neutralize 2.95 g of citric acid? (Citric acid has a molar mass of 192.1 g/mol.) ml SOF 13 QUESTIONS COMPLETED < 11/13 > • VIEW SOLUTION C TRY AGAIN o *
please show all work. thank you
A 10. equivalence point. L sample of vinegar, an aqueous solution of acetic acid (HC2H02), is titrated with 0.5003 M NaOH, and 15.00 mL is required to reach the a. What is the molarity of the acetic acid? b. If the density of the vinegar is 1.006 g/cm3, what is the mass percent of acetic acid in the vinegar?
A 10. equivalence point. L sample of vinegar, an aqueous solution of acetic acid (HC2H02),...
Assessments', Communication', Resources ﹀ Online Rooms Calendar n "Chapters 1 - 8" Time Left:2:06:43Dipaliben Patel: Attempt 1 dvt Question 18 (1 point) Who performs an expedited IRB review? The Principal Investigator The Full IRB The IRB Administrative Assistant The IRB Chair Save Question 19 (1 point) Place the steps of a basic qualitative research study in ascending order. Construct research questions
answers will vary for this question.) (a) Using the average molarity value you reported for your unknown acetic acid solution in Part 2, how many grams of acetic acid would be present in 1.00 L of your unknown acetic acid solution? 0.295 mol HCH₂O2/1oox 60.069 HC2H₂O I T Imoltte H₂O2 = 17,79 HC₂H₂O₂ L 17.79 HGHz Oz (b) Convert the molarity of your unknown acetic acid solution into a mass percent of acetic acid. Assume that the density of your...
Question 1 (1 point) A 52.30 g sample of Ba(OH)2 is dissolved in enough water to make 1.20 L of solution. How many milliliters of this solution must be diluted with water in order to make 1.00 L of 0.100 M Ba(OH)2? 62.8 mL 254 mL O 305 ml O 523 mL O 393 mL O Question 2 (1 point) A chemist needs 225 mL of 2.3 M HCl. What volume of 12 M HCl must be dissolved in water...
rades Communication AssessmentsTools Resources eft:0:30:27 Corey Robinson: Attempt 1 Question 1 (0.5 points) How many grams of H3PO4 are in 265 mL of a 1.50 M solution of H3PO4? Save Question 2 (0.5 points) What is the concentration (M) of a NaCl solution prepared by dissolving 7.2 g of NaC in sufficient water to give 425 mL of solution? Save 492 F6 FS F3 9 6 3 4
les Data Table 3: Analysis of Milk of Magnesia ge ne err Trial 1 Trial 2 Mass of milk of magnesia 1.14 g/ml Density of milk of magnesia Volume of acetic acid, initial Volume of acetic acid, final Volume of acetic acid, total Concentration of acetic acid Moles of acetic acid 0.88 M Moles of Mg(OH)2 Moles Mg(OH)2/ g milk of magnesia
20 Question (1 point) 1st attempt The molar mass of a gas at STP is 92.0 g/mol. What is its density in g/L? g/L
Question 6 of 14 (1 point) Question Attempt: 1 of Unlimited 1 2 3 4 5 6 X 7 8 9 = 10 X 11 X 12 X 13 A student prepares a 0.32 mM aqueous solution of trimethylacetic acid (C_H,CO,H). Calculate the fraction of trimethylacetic acid that is in the dissociated form in his solution. Express your answer as a percentage. You will probably find some useful data in the ALEKS Data resource. Round your answer to 2 significant...
Question #2 -/1 points How many grams of calcium nitrate need to be dissolved in 75 mL of water to form a solution that has a freezing point of -3.2 deg C? grams of calcium nitrate Evaluate Question #3 -/1 points What is the freezing point in °C) of a solution of 8.0 g of carbon tetrachloride, CCl4, in 80.0 g of benzene, C6H6. For benzene, Tp = 5.5°C and Kf = 5.12 deg kg mole?? Freezing point of solution...
11 Question (1 point) 1st attempt Feedback lud See Periodic Table See Hint AO.SOO M solution of potassium hydroxide is used to titrate citric acid (citric acid has three acidic hydrogens per molecule). How many mL of potassium hydroxide will be needed to neutralize 2.95 g of citric acid? (Citric acid has a molar mass of 192.1 g/mol.) ml SOF 13 QUESTIONS COMPLETED < 11/13 > • VIEW SOLUTION C TRY AGAIN o *
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