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Part A Describe how you would make 400.0 mL of a 0.400 M NaOH solution from...
Part A Describe how you would make 100.0 mL of a 1.00 M NaOH solution from...
Part A Describe how you would make 100.0 mL of a 1.00 M NaOH solution from a 20.0 M stock NaOH solution. Express your answer with the appropriate units. L! - m o mi? Dilute Value Units of the 20.0 M stock solution to a final volume of 100.0 mL Submit Request Answer Provide Feedback
Part A What volume of a 150% by mass NaOH solution, which has a density of...
Part A What volume of a 150% by mass NaOH solution, which has a density of 1.116/mL should be used to make 465 L of an NaOH solution with a pH of 1027 Express your answer to one significant figure and include the appropriate units. Value Units Submit Previous Answers Request Answer X Incorrect: Try Again: 4 attempts remaining
Part F Calculate pH for this strong base solution: 15.0 mL of 1.10x10-2 M Ca(OH), diluted...
Part F Calculate pH for this strong base solution: 15.0 mL of 1.10x10-2 M Ca(OH), diluted to 420.0 mL Express your answer using three decimal places. I VOAED ? pH= Previous Answers Request Answer Submit X Incorrect; Try Again; 2 attempts remaining P Pearson Terms of Use P htr roconred
Part C For 250.0 mL of a buffer solution that is 0.290 M in CH3 CH2NH2...
Part C For 250.0 mL of a buffer solution that is 0.290 M in CH3 CH2NH2 and 0.260 M in CH3CH2NH3 C1, calculate the initial pH and the final pH after adding 0.005 mol of NaOH. Express your answers using two decimal places separated by a comma. EVO A£Q R O 2 ? pHmitial, pHimal = 10.68,10.8 Submit Previous Answers Request Answer X Incorrect; Try Again; 12 attempts remaining
How many millilitera of 0.250 M NaOH solution are needed to completely saponify 200 g of...
How many millilitera of 0.250 M NaOH solution are needed to
completely saponify 200 g of glyceryl tripalmitoleate?
3 of 10 Correct Part C How many milliliters of 0.250 M NaOH solution are needed to completely saponify 200. g of glyceryl tripalmitoleate (tripalmitolein)? Express your answer to three significant figures and include the appropriate units. ? HA L V(NaOH) |0.75 Previous Answers Request Answer Submit Incorrect; Try Again; 4 attempts remaining
incorrect answers: 0.0112M Part 6 Calculate (OH) for the strong base solution formed by mixing 14.0 mL of 1.50 10-2...
incorrect answers:
0.0112M
Part 6 Calculate (OH) for the strong base solution formed by mixing 14.0 mL of 1.50 10-2 M Ba(OH), with 48.0 mL of 7.6*10-3 M NaOH Express your answer using two significant figures O AEC OD? [OH-] = Submit Previous Answers Request Answer * Incorrect; Try Again; 5 attempts remaining
Part B 88.5 g of HCl in 1.50 L of a HCl solution Express your answer...
Part B 88.5 g of HCl in 1.50 L of a HCl solution Express your answer with the appropriate units. 0 Å R O e ? Molarity = Value Submit Previous Answers Request Answer * Incorrect; Try Again; 4 attempts remaining Part C 27.5 g of NaOH in 400. mL of a NaOH solution Express your answer with the appropriate units. R ? 0 Å Value O a Units Molarity = Molarity = Submit Request Answer
Part A 162g of a 31.0% (m/m)LiBr solution Express your answer to three significant figures and...
Part A 162g of a 31.0% (m/m)LiBr solution Express your answer to three significant figures and include the appropriate units. ? HA 49.0 g Request Answer Previous Answers Submit iIncorrect; Try Again; 4 attempts remaining Review your calculations, you may have made a rounding error or used the wrong number of significant figures Part B 492 g of a 8 5% (m/m)KCI solution Express your answer to two significant figures and include the appropriate units. Part C 286 mL of...
Answer Hequested Periodic Table Review I Constants I Part C Suppose you have 5.20 g of powdered m...
Answer Hequested Periodic Table Review I Constants I Part C Suppose you have 5.20 g of powdered magnesium metal, 1.25 L of 2.00 M potassium nitrate solution, and 1.25 L df 2.00 M silver nitrate solution. What volume of solution is needed to completely react with the magnesium? Express your answer with the appropriate units 0四? Units VValue Request Answer Submit ▼ Part D What is the molarity of the Mg ons in the resulting solution? Express your answer with...
Part A Constants An antelope moving with constant acceleration covers the distance 74.0 m between two...
Part A Constants An antelope moving with constant acceleration covers the distance 74.0 m between two points in time 6.80 s. Its speed as it passes the second point is 14.7 m/s What is its speed at the first point? Express your answer with the appropriate units. 4.394 Submit Previous Answers Request Answer Incorrect; Try Again; 5 attempts remaining Part B What is the acceleration? Express your answer with the appropriate units 1.692 Submit Previous Answers Request Answer Incorrect: Try...
Part A Describe how you would make 100.0 mL of a 1.00 M NaOH solution from a 20.0 M stock NaOH solution. Express your answer with the appropriate units. L! - m o mi? Dilute Value Units of the 20.0 M stock solution to a final volume of 100.0 mL Submit Request Answer Provide Feedback
Part A What volume of a 150% by mass NaOH solution, which has a density of 1.116/mL should be used to make 465 L of an NaOH solution with a pH of 1027 Express your answer to one significant figure and include the appropriate units. Value Units Submit Previous Answers Request Answer X Incorrect: Try Again: 4 attempts remaining
Part F Calculate pH for this strong base solution: 15.0 mL of 1.10x10-2 M Ca(OH), diluted to 420.0 mL Express your answer using three decimal places. I VOAED ? pH= Previous Answers Request Answer Submit X Incorrect; Try Again; 2 attempts remaining P Pearson Terms of Use P htr roconred
Part C For 250.0 mL of a buffer solution that is 0.290 M in CH3 CH2NH2 and 0.260 M in CH3CH2NH3 C1, calculate the initial pH and the final pH after adding 0.005 mol of NaOH. Express your answers using two decimal places separated by a comma. EVO A£Q R O 2 ? pHmitial, pHimal = 10.68,10.8 Submit Previous Answers Request Answer X Incorrect; Try Again; 12 attempts remaining
How many millilitera of 0.250 M NaOH solution are needed to
completely saponify 200 g of glyceryl tripalmitoleate?
3 of 10 Correct Part C How many milliliters of 0.250 M NaOH solution are needed to completely saponify 200. g of glyceryl tripalmitoleate (tripalmitolein)? Express your answer to three significant figures and include the appropriate units. ? HA L V(NaOH) |0.75 Previous Answers Request Answer Submit Incorrect; Try Again; 4 attempts remaining
incorrect answers:
0.0112M
Part 6 Calculate (OH) for the strong base solution formed by mixing 14.0 mL of 1.50 10-2 M Ba(OH), with 48.0 mL of 7.6*10-3 M NaOH Express your answer using two significant figures O AEC OD? [OH-] = Submit Previous Answers Request Answer * Incorrect; Try Again; 5 attempts remaining
Part B 88.5 g of HCl in 1.50 L of a HCl solution Express your answer with the appropriate units. 0 Å R O e ? Molarity = Value Submit Previous Answers Request Answer * Incorrect; Try Again; 4 attempts remaining Part C 27.5 g of NaOH in 400. mL of a NaOH solution Express your answer with the appropriate units. R ? 0 Å Value O a Units Molarity = Molarity = Submit Request Answer
Part A 162g of a 31.0% (m/m)LiBr solution Express your answer to three significant figures and include the appropriate units. ? HA 49.0 g Request Answer Previous Answers Submit iIncorrect; Try Again; 4 attempts remaining Review your calculations, you may have made a rounding error or used the wrong number of significant figures Part B 492 g of a 8 5% (m/m)KCI solution Express your answer to two significant figures and include the appropriate units. Part C 286 mL of...
Answer Hequested Periodic Table Review I Constants I Part C Suppose you have 5.20 g of powdered magnesium metal, 1.25 L of 2.00 M potassium nitrate solution, and 1.25 L df 2.00 M silver nitrate solution. What volume of solution is needed to completely react with the magnesium? Express your answer with the appropriate units 0四? Units VValue Request Answer Submit ▼ Part D What is the molarity of the Mg ons in the resulting solution? Express your answer with...
Part A Constants An antelope moving with constant acceleration covers the distance 74.0 m between two points in time 6.80 s. Its speed as it passes the second point is 14.7 m/s What is its speed at the first point? Express your answer with the appropriate units. 4.394 Submit Previous Answers Request Answer Incorrect; Try Again; 5 attempts remaining Part B What is the acceleration? Express your answer with the appropriate units 1.692 Submit Previous Answers Request Answer Incorrect: Try...
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