Question 4 2.5 pts 1.00 mL of a 3.05 x 10 M solution of oleic acid is diluted with 9.00 mL of petroleum ether, form...
10 mL of 1.00 molar nitric acid solution was diluted in enough water to make 100 mL of solution. The molarity of the diluted solution is
Calculate the pH of a solution containing 2.5 x 10– 2 mol of nicotinic acid (a monoprotic acid) dissolved in 350 mL of water. ( Ka = 1.1 x 10- 5). The answer is 3.05. Please Help
QUESTION 1 A food dye solution has a dye concentration of 2.5 x 10- M. If 3.0 mL of this dye solution is diluted to 15.0 mL, what is the concentration of the diluted solution? O 1.7 x 10-6 M 07.5 x 10-6 M O 7.5 x 10-5 M 2.5 x 10-5M 5.0 x 10-6 M
Hybrobromous acid, HBrO, is a weak acid. It's acid dissociation constant. Ka is 2.5 x 10-9 a) Calculate the [H+] of a 0.14 molar solution of HBrO b) Write the correctly balanced net ionic equation for the reaction that occurs NaBrO is dissolved in water and calculate the numerical value of the equilibrium constant for this reaction c) Calculate the pH of a solution made by combining 40.0 milliliters of 0.14 molar HBrO and 5.0 milliliters of 0.56 molar NaOH...
calc pH of ea strong acid solution (express in 3 decimals) a. 2.11×10−2 M HNO3 b. 0.220 g of HClO3 in 1.80 L of solution c. 10.00 mL of 2.00 M HCl diluted to 0.530 L . d. mixture formed by adding 60.0 mL of 2.5×10−2 M HCl to 160 mL of 1.0×10−2 M HI.
9. What is the pH for 0.20 M HCIO solution? K = 2.5 x 10-7 a) 4.05 b) 3.70 c) 4.80 d) 7.00 e) 7.40 10. What is the pH of a mixture containing 0.30 M HNO, and 0.15 M NaNO, (K, for HNO2 is 4.5 x 104) a) 4.35 b) 3.05 c) 4.65 d) 5.01 e) 4.05 11. Acid strength increases in the series: HCN <HF <HSO.. Which of these species is the strongest base? a) SO42- b) F-...
1) One hundred (100) ml of a 1.00 M solution of HCl is diluted with water to prepare a 0.200 M solution. What is the volume of the resulting 0.200 M solution? Or asked another way, to what volume must the original solution be diluted? (3 points) 2) Lithium hydroxide, LiOH, is used in spacecraft to absorb the carbon dioxide exhaled by astronauts. Given 1.3 kg of LiOH, how many kg of CO2 can be absorbed? (10 Pts. The reaction...
Please I need help with number 54 and 61 please An aqueous NaCl solution is made using 112 g of NaCl diluted to a total solution volume of 1.00 L. Calculate the molarity, molality, and mass percent of the solution. (Assume a density of 1 08 g/mL for the solution.) An aqueous KNO_3 solution is made using 72.5 g of KNO_3 diluted to a total solution volume of 2.00 L. Calculate the molarity, molality, and mass percent of the solution....
what’s the answer? Question 3 A Solution pH 7.00 8.00 9.00 Ag... 1.41 x 10-4 1.41 x 10-4 1.37 x 10-4 1.00 x 10-4 1.96 x 100 2.00 x 10- 2.00 x 10-7 Submit 10.00 11.00 12.00 13.00 A student investigates the effects of pH on the solubility of AgOH(3), which dissolves in water according to the equation AgOH(3) Ag' (aq) + OH(aq). The value for Kp for AgOH is 2.0 x 10 at 298 K. The student places the...
Question 4 2 pts If 11 drops of a formic acid (HCOOH) solution are titrated with 10 drops of a 0.12 M NaOH solution, what is the percent ionization of the formic acid solution? (Ka for formic acid 1.78 x 104) 4.0% 1.3% 1.9% @ 2.5% Question 5 2 pts What is the pH of an acetic acid solution if 25 drops are titrated with 44 drops of a 0.45 M KOH solution? (K, for acetic acid 1.8 x 105)...