Part A What volume of a 150% by mass NaOH solution, which has a density of...
Part A What is the tension in the string in (Figure 1)? The volume of the plastic ball is 75cm3 and the density is 840 kg/m3. Express your answer to two significant figures and include the appropriate units. Figure 1 of 1 Value Units Т- Water Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Provide Feedback Next
Part A Calculate the concentration of an aqueous solution of NaOH that has a pH of 10.80. Express your answer using two significant figures. O AQ R O OL? [NaOH) = 6.3 N Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining
Part A Describe how you would make 400.0 mL of a 0.400 M NaOH solution from a 20.0 M stook NaOHI solution. Express your answer with the appropriate units Dilute Value Units of the 20.0 M stock solution to a final volume of 400.0 mL Part A CH3NH2 Express your answer as a chemical expression. Submit Previous Answers Request Answer Incorrect; Try Again; 4 attempts remaining Part B C,HsN Express your answer as a chemical expression. 圏? Part C CI...
RA_CHEM151 <MC Chapter 13 Exercise 13.89 Determine the volume of 0.130 M N O solution required to our each sample of hydrochon scd The neutr o n reaction is NaOH(aq) + HCl(aq) +,0(1) + NaCl(aq) 65 ml of a 0055 M HClotion Express your answer to two significant figures and include the appropriate units Value Units Pro Answers Revest Answer X Incorrect, Try Again 22 attempts remaining Part 155 m.ca 0915 M HCl solution Express your answer to three significant...
What volume of 0.829 M KOH solution is required to make 3.54 L of a solution with pH of 12.5? Express your answer with the appropriate units. TH HÀ • • • Ea ? V = 0.13 L Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining Review your calculations; you may have made a rounding error or used the wrong number of significant figures.
a solution that is 1.02% HCl by mass (Assume a density of 1.01 g/mL for the solution.) Express your answer to three decimal places. Submit Previous Answers Request Answer X 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
A volume of 100 mL of a 0.440 M HNO; solution is titrated with 0.760 M KOH. Calculate the volume of KOH required to reach the equivalence point. Express your answer to three significant figures, and include the appropriate units. View Available Hint(s) H ? 6.32 mL Submit Previous Answers X Incorrect; Try Again; 4 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
Take og = 440 kPa (Figure 1) Part A Determine the normal stress acting on the inclined plane AB Express your answer to three significant figures and include the appropriate units. 01 = 190.52 kPa Submit Previous Answers Request Answer X Incorrect; Try Again; 13 attempts remaining Figure < 1 of 1 > Part B Determine the shear stress acting on the inclined plane AB. Express your answer to three significant figures and include the appropriate units. CA* * oo...