a solution that is 1.02% HCl by mass (Assume a density of 1.01 g/mL for the...
Part C a solution that is 4.0×10−2 M in HClO4 and 5.3×10−2 M in HCl Express your answer to two decimal places. pH = SubmitMy AnswersGive Up Incorrect; Try Again; 5 attempts remaining; no points deducted Part D a solution that is 1.11% HCl by mass (Assume a density of 1.01 g/mL for the solution.) Express your answer to three decimal places. pH =
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 B A 457-mL sample of unknown HCl solution reacts completely with Na,COto form 11.1 g CO,. What was the concentration of the HCI solution? Express your answer to three significant figures and include the appropriate units View Available Hints) ? .! HAO 110.216 M Submit Previous Answers X Incorrect; Try Again; 5 attempts remaining 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
If 0.8357 g of sodium oxalate, Na2C2O4, requiresof a 23.47 mL KMnO4 solution to reach the end point, what is the molarity of the KMnO4 solution? 0.10 M Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining
It is NOT 2.94. I have already entered that once.
Calculate the pH of a solution that is 1.15x10-3 Min HCl and 1.00×10-2 Min HCIO2. Express your answer using three decimal places. A ROO? pH = 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
Convert decimal to BCD
Express the following decimal numbers in binary form and in BCD form. Part F 1910 NBCD = 10011 Submit Previous Answers Request Answer * Incorrect; Try Again; 5 attempts remaining Part G 8.510 NBCD= 1000.1 Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Part 1 9.2510 NBCD = 1001.01 Part 1 85.0937510 NBCD= 1010101.00011 Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Part J 69.37510 NBCD = 1000101.011...
The answer is not 1.72
Review | Constants ! The density of titanium is 4.50 g/cm Part A What is the edge length (in cm) of a titanium cube that contains 2.99 x 10titanium atoms? Express your answer to three significant figures. AEO OE? cm Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining
Use the Henderson-Hasselbalch equation to calculate the pH of each solution: a solution that contains 0.695% C5H5N by mass and 0.845% C5H5NHCI by mass Express your answer using two decimal places. Hν ΑΣφ ? рH- 15.2 Previous Answers Request Answer Submit Incorrect; Try Again; One attempt remaining Part C a solution that is 13.5 g of HF and 24.0 g of NaF in 125 mL of solution Express your answer using two decimal places. ΑΣφ ? pH Request Answer Submit