What charge would be needed to deposit all of the Cu2+ ions from 600 mL of...
24) What is the concentration of magnesium ions in a 0.125 M Mg 504 solution? A) 0.125 M B) 0.0625 M C) 0.375 M D) 0.250 M E) 0.160 M 25) What is the concentration of sodium ions in a 1.225 M Na, SO4 solution? 26) What is the concentration of FeCl3 in a solution prepared by dissolving 30.0 g of FeCl3 in enough water to make 275 mL of solution? A) 6.73 x 10-4 M B) 0.673 M C)...
A-D A. How many miles of Cu2+ is present in the solution? B. How many miles of electrons are needed to plate all the Cu2+? C. Calculate the coulombs of charge, q required to plate all Cu2+? D. How many hours will it take to plate out all the Cu2+? B. Electrodeposition A solution of 200.0 mL of a o015 M cu r solution was electrolyzed using a current, i, of 0.200 amp? The half reaction is shown below: 2...
b) How many mLs of an aqueous 0.1502 M HCl solution are needed to be added to completely precipitate all of the Pb? ions from 20.00 mL of an aqueous 0.100 M leader nitrape solution? 2 013. So c) How would a chemist correctly make 50.00 mL of an aqueous 1.500 x 102 M La(NO3)3 solution from an aqueous 0.500 M La(NO3)3 solution? wwed bud ei na siwedd li 6) (19 pts) What is the Molarity (after mixing) of the...
(39) What is the concentration of hydroxide ions in a solution given that the concentration of hydronium ions is 2.31 x 104 M? (a) 4.33 x 10-10 M (b) 4.33 x 10-11 M (c) 2.31 x 10-18 M. (d) 1.01 x 105 M
What mass of NaOH is needed to precipitate the Cd2+ ions from 40.0 mL of 0.510 M Cd(NO3)2 solution?
What mass of NaOH is needed to precipitate the Cd2+ ions from 30.0 mL of 0.490 M Ca(NO3), solution? GVO A2¢mo ? Submit Request Answer
A chemist dissolved 65.353 grams of CuSO4 * 5H2O into enough water to make 150.0 mL of aqueous CuSO4 solution. (a) Calculate the concentration of this solution, in molarity. (b) What is the normality of the Cu2+ ions in the above solution? (c) He then reacted the above CuSO4 solution with some 0.225 M KI solution. The reaction occurs as follows: 2 CuSO4 (aq) + 4 KI (aq) à 2 CuI (s) + I2 (aq) + 2 K2SO4 (aq)...
22) How many moles of CH3CH2Cl are contained in 548 mL of 0.0788 M CH3CH2Cl solution? A) 4.32 x 10-2 mol B) 2.32 x 10-2 mol C) 6.95 x 10-2 mol D) 1.44 x 10-2 mol E) 5.26 x 10-2 mol 23) How many milliliters of a 0.266 M CSNO3 solution are required to make 150.0 mL of 0.075 M CSNO3 solution? A) 53.2 ml B) 42.3 mL C) 18.8 ml D) 23.6 mL E) 35.1 ml 24) What is...
22) How many moles of CH3CH2Cl are contained in 548 mL of 0.0788 M CH3CH2Cl solution? A) 4.32 x 10-2 mol B) 2.32 x 10-2 mol C) 6.95 x 10-2 mol D) 1.44 x 10-2 mol E) 5.26 x 10-2 mol 23) How many milliliters of a 0.266 M CSNO3 solution are required to make 150.0 mL of 0.075 M CSNO3 solution? A) 53.2 ml B) 42.3 mL C) 18.8 ml D) 23.6 mL E) 35.1 ml 24) What is...
ire anf eisures are complete 1. Caleulate the concentration (in M) of hydroxide ions in a solution at 25.0°C with a pOH of 4.223. D)599 x ǐo-19 E) 1.00 x 10- A)5.98 × 10-5 2. An aqueous solution C)1.67 x 104 will produce an acidic solution D) NHBr B) 1.67× 10-10 E) MgCl 12.0 pH of 100 solution 80 in flask 6.0 4.0 2.0 Equivalence Point 5 10 15 20 25 30 35 40 45 mL of 0.115 M NaOH...