Homework Answers
dont forget to give a like
please
Add Answer to:
14. A sample of Co(OH)2 is dissolved in water leaving some sample un-dissolved on the bottom....
A 0.3146 g sample of a mixture of NaCl(s) and KBr(s) was dissolved in water. The...
A 0.3146 g sample of a mixture of NaCl(s) and KBr(s) was dissolved in water. The resulting solution required 51.40 mL of 0.08765 M AgNO3(aq) to precipitate the Cl−(aq) and Br−(aq) as AgCl(s) and AgBr(s). Calculate the mass percentage of NaCl(s) in the mixture.
A 0.3146-g sample of a mixture of NaCl(s) and KBr(s) was dissolved in water. The resulting...
A 0.3146-g sample of a mixture of NaCl(s) and KBr(s) was dissolved in water. The resulting solution required 48.80 mL of 0.08765 M AgNO3(aq) to precipitate the Cl–(aq) and Br–(aq) as AgCl(s) and AgBr(s). Calculate the mass percentage of NaCl(s) in the mixture. ______% NaCl
(aq) (1) Mg(OH)2 is partially dissolved in water: Mg(OH), (s) = Mg2+ (aq) + 2OH Write...
(aq) (1) Mg(OH)2 is partially dissolved in water: Mg(OH), (s) = Mg2+ (aq) + 2OH Write the Kop expression for Mg(OH)2 : Kp = (2) Solid AgCl is partially dissolved in water: AgCl 2 Ag+ + CI''. If the molar solubility is known as [Ag +) = [CI''] = 1.3x 10 M, AgCl Kip =- (a) 1.3 x 10 (b) 1.69 x 10-10 (c) 2.6 x 10 (d) none of these (3) At 25 °C, the solubility of solid AgCl...
28) What is the molar solubility of Mg(OH)2 in a basic solution with a pH of...
28) What is the molar solubility of Mg(OH)2 in a basic solution with a pH of 11.18? Ksp for Mg(OH)2 is 5.6x 10-12 B) 5.6x 10-10 M D) 1.1 x 10-4 M C) 2.4 x 10-6 M A) 5.6 x 10-8 M 29) What is the molar solubility of AgCl in 0.10 M NaCN if the colorless complex ion Ag(CN) 2- forms? Ksp for AgCl is 1.8 x 10-10 and Kf for Ag(CN) 2- is 1.0 x 1021, D) 0.050...
1. 200 mL of an aqueous solution contains 0.030 M concentrations of both Pb2+ and Ag+....
1. 200 mL of an aqueous solution contains 0.030 M
concentrations of both Pb2+ and Ag+. If 100
mL of 6.0 x 10-2 M NaCl is added to this solution will a
precipitate form? If so, what will the
precipitate be? The Ksp values for PbCl2 and AgCl are 1.7 x
10-5 and 1.8 x 10-10] 2. Which of the following is the expression
for the solubility product of Ba3(AsO4)2? 3. The pKa of a weak acid
is 6.50. What...
please answer both questions QUESTION 24 To 1.0 L of water, 3,0 x 10 mol of Pb(NO3)2, 4.0 x 10 mol of K2C+04, and 1...
please answer both questions
QUESTION 24 To 1.0 L of water, 3,0 x 10 mol of Pb(NO3)2, 4.0 x 10 mol of K2C+04, and 1.0 mol of NaCl are added. What will happen? Disregard the increase in volume due to added substances. Salt Esp PbC+04 1.8 * 10-14 PbCl2 16 x 10-5 A precipitate of PbCrO4 will form. b. A precipitate of KCI will form. No precipitate will form. A precipitate of PbCl2 will form QUESTION 25 What is the...
please help me with these 2 questions A scientist adjusts the pH of a solution to...
please help me with these 2 questions
A scientist adjusts the pH of a solution to prevent the precipitation of solid Fe(OH)2 in an aqueous solution of 0.0010 M Fe(CIO3)2(aq). What is his target pH? Ksp, Fe(OH), = 1.8 x 10-15 5. Solid AgNO3 is added in tiny amounts to a 1.00-L solution containing 0.10 M NaCl, 0.10 M NaBr, and 0.10 M Nal. Given: Ksp.Agci" 1.6 x 10-10, Ksp.AgBr - 5.0 X 10-13. Kapagi - 15 10-16 Which silver...
15. A 100.0 mL sample of 0.10 M Ca(OH)2 is titrated with 0.10 M HBr. Determine the pH of the solution after the add...
15. A 100.0 mL sample of 0.10 M Ca(OH)2 is titrated with 0.10 M HBr. Determine the pH of the solution after the addition of 100.0 mL HBr. a. 12.70 b. 1.30 7.00 d. 12.00 16/ For PbCl2 (Kip = 2.4 x 10), will a precipitate of PbCl2 form when 0.10 L of 3.0 x 10 PM Pb(NO3)2 is added to 400 mL of 9.0 x 10-2 M NaCl? Pb(NO3)₂ + Nach a. Yes, because Q > Ksp. b. No,...
Question 10 2.5 pts A 61.08-g sample of Ba(OH)2 is dissolved in enough water to make...
Question 10 2.5 pts A 61.08-g sample of Ba(OH)2 is dissolved in enough water to make 1.800 liters of solution. How many mL of this solution must be diluted with water in order to make 1.000 L of 0.100 M Ba(OH)2 3.57 mL 198 mL 19.8 ml 280 mL 505 mL 2.5 pts
1) Will a precipitate form when 0.150 L of 0.10 M Pb(NO3)2 and 0.100 L of...
1) Will a precipitate form when 0.150 L of 0.10 M Pb(NO3)2 and 0.100 L of 0.20 M NaCl are mixed? (The K., for PbClzis 1.2 x 10-5 (Show your calculations) 2) Calculate whether a precipitate will form if 2.00 ml. of 0.60 M NH, are added to 1.0 L of 1.0 X 10 M FeSO4. (Show your calculations) (Given that Ko - NSON - 1.8 x 10 and Kp [Fe(OH):) - 1.6 10-") [NH, 3) Solid silver chromate is...
(aq) (1) Mg(OH)2 is partially dissolved in water: Mg(OH), (s) = Mg2+ (aq) + 2OH Write the Kop expression for Mg(OH)2 : Kp = (2) Solid AgCl is partially dissolved in water: AgCl 2 Ag+ + CI''. If the molar solubility is known as [Ag +) = [CI''] = 1.3x 10 M, AgCl Kip =- (a) 1.3 x 10 (b) 1.69 x 10-10 (c) 2.6 x 10 (d) none of these (3) At 25 °C, the solubility of solid AgCl...
28) What is the molar solubility of Mg(OH)2 in a basic solution with a pH of 11.18? Ksp for Mg(OH)2 is 5.6x 10-12 B) 5.6x 10-10 M D) 1.1 x 10-4 M C) 2.4 x 10-6 M A) 5.6 x 10-8 M 29) What is the molar solubility of AgCl in 0.10 M NaCN if the colorless complex ion Ag(CN) 2- forms? Ksp for AgCl is 1.8 x 10-10 and Kf for Ag(CN) 2- is 1.0 x 1021, D) 0.050...
1. 200 mL of an aqueous solution contains 0.030 M
concentrations of both Pb2+ and Ag+. If 100
mL of 6.0 x 10-2 M NaCl is added to this solution will a
precipitate form? If so, what will the
precipitate be? The Ksp values for PbCl2 and AgCl are 1.7 x
10-5 and 1.8 x 10-10] 2. Which of the following is the expression
for the solubility product of Ba3(AsO4)2? 3. The pKa of a weak acid
is 6.50. What...
please answer both questions
QUESTION 24 To 1.0 L of water, 3,0 x 10 mol of Pb(NO3)2, 4.0 x 10 mol of K2C+04, and 1.0 mol of NaCl are added. What will happen? Disregard the increase in volume due to added substances. Salt Esp PbC+04 1.8 * 10-14 PbCl2 16 x 10-5 A precipitate of PbCrO4 will form. b. A precipitate of KCI will form. No precipitate will form. A precipitate of PbCl2 will form QUESTION 25 What is the...
please help me with these 2 questions
A scientist adjusts the pH of a solution to prevent the precipitation of solid Fe(OH)2 in an aqueous solution of 0.0010 M Fe(CIO3)2(aq). What is his target pH? Ksp, Fe(OH), = 1.8 x 10-15 5. Solid AgNO3 is added in tiny amounts to a 1.00-L solution containing 0.10 M NaCl, 0.10 M NaBr, and 0.10 M Nal. Given: Ksp.Agci" 1.6 x 10-10, Ksp.AgBr - 5.0 X 10-13. Kapagi - 15 10-16 Which silver...
15. A 100.0 mL sample of 0.10 M Ca(OH)2 is titrated with 0.10 M HBr. Determine the pH of the solution after the addition of 100.0 mL HBr. a. 12.70 b. 1.30 7.00 d. 12.00 16/ For PbCl2 (Kip = 2.4 x 10), will a precipitate of PbCl2 form when 0.10 L of 3.0 x 10 PM Pb(NO3)2 is added to 400 mL of 9.0 x 10-2 M NaCl? Pb(NO3)₂ + Nach a. Yes, because Q > Ksp. b. No,...
Question 10 2.5 pts A 61.08-g sample of Ba(OH)2 is dissolved in enough water to make 1.800 liters of solution. How many mL of this solution must be diluted with water in order to make 1.000 L of 0.100 M Ba(OH)2 3.57 mL 198 mL 19.8 ml 280 mL 505 mL 2.5 pts
1) Will a precipitate form when 0.150 L of 0.10 M Pb(NO3)2 and 0.100 L of 0.20 M NaCl are mixed? (The K., for PbClzis 1.2 x 10-5 (Show your calculations) 2) Calculate whether a precipitate will form if 2.00 ml. of 0.60 M NH, are added to 1.0 L of 1.0 X 10 M FeSO4. (Show your calculations) (Given that Ko - NSON - 1.8 x 10 and Kp [Fe(OH):) - 1.6 10-") [NH, 3) Solid silver chromate is...
Most questions answered within 3 hours.
-
suppose there is a normally distributed population with a mean of
250 and a standard deviation...
asked 30 minutes ago -
Question Three
Suppose you as project manager are using the Waterfall
development methodology on a large...
asked 1 hour ago -
Which statement is not true about welfare in Canada?
A.Benefits typically vary based on one's ability...
asked 2 hours ago -
Please help me with FLOWCHART and UML diagram for class,
thank you!
#include <iostream>
#include <fstream>...
asked 2 hours ago -
3. Describe the “logic circuit” of the Lac operon. Which
proteins are bound or not to...
asked 2 hours ago -
Ayesha’s adjusted gross income is $60,000 in 2019. She donated a
piece of artwork with a...
asked 2 hours ago -
For Dijkstra’s shortest path algorithm:
a. Give the Big-O time for Dijkstra’s shortest path algorithm
and...
asked 3 hours ago -
Phosphorus violates the 'octet rule' in biological molecules,
forming more covalent bonds than expected based on...
asked 3 hours ago -
A 1.3 eV electron has a 10-4 probability of tunneling
through a 2.4 eV potential barrier....
asked 3 hours ago -
What is the one ingredient that is common to being successful
with all stakeholders?
profit
trust...
asked 3 hours ago -
Write an assembly language 32 bit program that reads in lines of
text by a .txt...
asked 3 hours ago -
what is the density ( in g/L) of hydrogen gas at 29 degrees C and a...
asked 3 hours ago