Part A How many grams of KMnO4 are required to prepare 1.500 L of 0.0300 M...

Question

Question

Answer 1

Answer #1

Calculating mass: mass of KMnO4 = ? 8 molar mass of KMnO4 = 158.03 g/mol Volume of solution = 1.50 L Concentration = 0.030 M

Answer 2

Similar Homework Help Questions

How many grams of potassium permanganate (KMnO4) are required to prepare a 250-mL solution whose concentration...

How many grams of potassium permanganate (KMnO4) are required to prepare a 250-mL solution whose concentration is 2.16 M?
Calculate the grams of solute needed to prepare each of the following solutions. Part A 1.0...

Calculate the grams of solute needed to prepare each of the following solutions. Part A 1.0 L of a 3.0 M NaOH solution Express your answer using two significant figures. IVO AP R O 2 ? g NaOH Submit Request Answer Part B 5.5 L of a 0.40 M CaCl2 solution Express your answer using two significant figures. OVO ACOM O a ? m= g CaCl2 Submit Request Answer Part 190 mL of a 2.75 M NaNO3 solution Express your...
Part A How many grams of NaOH are required to prepare 240 mL of a 3.50...

Part A How many grams of NaOH are required to prepare 240 mL of a 3.50 M NaOH solution? View Available Hint(s) 0.840 g 54.89 33.69 583 g Submit Provide Feedback Type here to search w E O 1 2 3 4 5 6 7 8

- Part B How many grams of dry NH4Cl need to be added to 2.20 L...

- Part B How many grams of dry NH4Cl need to be added to 2.20 L of a 0.800 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.57? Ký for ammonia is 1.8 x 10-5. Express your answer with the appropriate units. View Available Hint(s) UA 194 mass of NHACI Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining
Part B How many grams of dry NH4Cl need to be added to 1.90 L of...

Part B How many grams of dry NH4Cl need to be added to 1.90 L of a 0.400 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.77? Kb for ammonia is 1.8 x 10-5 Express your answer with the appropriate units. View Available Hint(s) CHÅN O a? mass of NH4C1 = 39.1 g Submit Previous Answers X Incorrect; Try Again; 4 attempts remaining
Part B How many grams (of mass m) of glucose are in 185 mL of a...

Part B How many grams (of mass m) of glucose are in 185 mL of a 5.50% (m/v) glucose solution? Express your answer with the appropriate units. ► View Available Hint(s) MÅ ? m = Value Units O You have already submitted this answer. Enter a new answer. No credit lost. Try again. Submit Previous Answers Part You have a solution that is 18.5% (v/) methyl alcohol. If the bottle contains 1.99 L of solution, what is the volume (V)...

Part A How many grams of phenylephrine is needed to prepare 50. mL of a 14...

Part A How many grams of phenylephrine is needed to prepare 50. mL of a 14 % solution for a glaucoma patient? Express your answer to two significant figures and include the appropriate units. Value Units Submit Request Answer Provide Feedback
Part A How many grams of NH3 form when 26.2 L of H2(g) (measured at STP)...

Part A How many grams of NH3 form when 26.2 L of H2(g) (measured at STP) reacts with N, to form NH, according to this reaction? N2(g) + 3 H2(g) + 2 NH3 (9) O AXO * ROO? MNH, Submit Request Answer Provide Feedback
Part B How many grams of O, are needed to react completely with 22.1 g of...

Part B How many grams of O, are needed to react completely with 22.1 g of CH102 Express your answer with the appropriate units. m(03) = 39.5 g You have already submitted this answer. Enter a new answer. No credit lost. Try again. Submit Previous Answers Request Answer Part How many grams of CO, are produced from the complete reaction of 51.4 g of C, H,0?! Express your answer with the appropriate units. "! A OB? Units m(CO,)- Value Submit...

How many grams of solid sodium acetate should be added to 1.00 L of a 0.215...

How many grams of solid sodium acetate should be added to 1.00 L of a 0.215 M acetic acid solution to prepare a buffer with a pH of 5.489 ? grams sodium acetate g Submit Answer Retry Entire Group 7 more group attempts remaining How many grams of solid ammonium chloride should be added to 0.500 L of a 0.211 M ammonia solution to prepare a buffer with a pH of 8.520 ? grams ammonium chloride = 8 Submit Answer...