4.07 mL of an aqueous 0.466 M solution and 4.970 mL of water is added to a graduated cylinder. What is the concentration of the resulting solution?
Enter your answer with at least 3 sig figs. Don't use scientific notation.
4.07 mL of an aqueous 0.466 M solution and 4.970 mL of water is added to...
1- Suppose 15 mL of 0.50 M ammonium chloride are added to the 40.00 mL of 1.0 M ammonia and 15 mL of water. (A) Blank # 1: Calculate the pH of the buffer solution. (B) Blank # 2: Suppose 10.00 mL of 0.10 M NaOH are added to the buffer. Calculate the moles of ammonia remaining in solution. Report your answer using decimal notation (not scientific notation). (C) Blank # 3: Suppose 10.00 mL of 0.10 M NaOH are...
If 200. mL of water is added to 300. mL of an aqueous solution that is 0.64 M in potassium sulfate, what is the concentration of potassium ions in the final solution?
QUESTION 1 43.2 mL of aqueous 0.255 M Pb(NO3)2 is mixed with 36.1 mL of 0.415 M NaCl. The equation for the precipitate reaction is: Pb(NO3)2 (aq) + 2 NaCl (aq) --> PbCl2 (s) + 2 NaNO3 (aq) How many moles of PbCl2 are formed? (with correct sig figs) QUESTION 2 What volume (in mL!!!) of 1.28 M HCl is required to react with 3.33 g of zinc (65.41 g/mol) according to the following reaction? Zn(s) + 2 HCl (aq)...
If 400.0 mL of water is added to 300.0 mL of a 0.600 M aqueous KCI solution. What is the molarity of the resulting solution?
An aqueous solution has a mole fraction of solute of (3.660x10^-2). The density of the solution is (1.20x10^0) g/mL and the solute has a molar mass of (8.3800x10^1) g/mol. What is the Molarity of solute of this solution? Enter your answer in scientific notation with 3 sig figs. Do not include any units in your answer. Do not round any intermediate calculations. Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answer
1.) If 15.0 mL of 3.60 M HCl (aq) are added to 10.0 mL of water, what is the concentration of the resulting solution? 2.) How many mL of water must be added to 25.0 mL of a 0.500 M NaCl solution to result in a solution that is 0.200 M NaCl? 3.) The net ionic equation for the reaction of aqueous solutions of sodium chloride and silver nitrate is...? 4.) How many mL of a 0.500 M sodium chloride...
If 2.0 mL of distilled water is added to 3.0 mL of a 0.150 M solution of CoCly, what is the concentration of the resulting solution? Show your work. (a) What is a calibration curve? (b) Why do we use a calibration curve to determine the concentration of our unknown 5. A colored sample with a concentration of 0.160 M has an absorbance of 0.80 in a 1.0 cm path length cuvette. (a) What would be the absorbance expected if...
You are studying a second order process for the decomposition of C4H10 and find that it has a half-life of 491.14 seconds if you have an initial concentration of 0.219 M. You then set up a new experiment. If the initial concentration of C4H10 is 5.55 M , how many seconds will it take to get to a concentration of 1.48 M? Enter your answer with at least 3 sig figs and don't use scientific notation.
A 35.3 mL sample of a 0.305 M aqueous hydrocyanic acid solution is titrated with a 0.466 M aqueous sodium hydroxide solution. What is the pH after 9.17 mL of base have been added? ph=
A 48.3 mL sample of a 0.434 M aqueous hydrofluoric acid solution is titrated with a 0.466 M aqueous potassium hydroxide solution. What is the pH after 19.7 mL of base have been added? pH =