a) A beaker contains 200.0 mL of 0.250 M AgNO3. 200.0 mL of
0.100 M HCl(aq) is added to it. What is the NO3− concentration in
the final mixture?b) What is the Ag+(aq) concentration in the final
mixture? (Hint: does anything happen when you mix these
solutions?)
Consider the titration of 100.0 mL of 0.500 M CH3NH2 by 0.250 M
HCl. (Kb for CH3NH2 = 4.4×10-4) Part 1 Calculate the pH after 0.0
mL of HCl added. pH = Part 2 Calculate the pH after 25.0 mL of HCl
added. pH = Part 3 Calculate the pH after 80.0 mL of HCl added. pH
= Part 4 Calculate the pH at the equivalence point. pH = Part 5
Calculate the pH after 300.0 mL of HCl added....
What is the concentration of hydroxide ions after 50.0 mL of
0.250 M NaOH is added to 120 mL of 0.200 M Na2SO4?
What is the concentration of hydroxide ions after 50.0 mL of
0.250 M NaOH is added to 120 mL of 0.200 M Sr(OH)2?
Consider the following four titrations.
i. 100.0 mL of 0.10 M HCl titrated by 0.10 M
NaOH
ii. 100.0 mL of 0.10 M NaOH titrated by 0.10 M
HCl iii. 100.0 mL of 0.10 M CH3NH2 titrated by 0.10
M HCl
iv. 100.0 mL of 0.10 M HF titrated by 0.10 M
NaOH Rank the titrations in order of:
increasing volume of titrant added to reach the equiva-
lence point.
increasing pH initially before any titrant has been added.
increasing...
Assume 200. mL of 0.400 M HCl is mixed with 200 mL of 0.250 M
Ba(OH)2 in a constant-pressure calorimeter. The temperature of the
solutions before mixing was 25.10C; after mixng and alowing the
reaction to occur, the temperature is 27.78C.
Determine ΔrH for this reaction in units of
kJ/mol-rxn.
2 HCl(aq) + Ba(OH)2(aq) -> BaCl2(aq) + 2 H2O(l)
The densities of all solutions are 1.00 g/mL
The specific heat capacitites of all solutions are 4.20 J/(gC)
2)
A 25.0 mL sample of 0.160 M KOH is titrated with 0.250 M
HCl.
Determine the following quantities:
a)
The initial pH of the KOH solution before any acid is added.
b)
The pH of the solution after 3.00 mL of HCl is added.
c)
The quantity of HCl solution required to reach the
equivalence
point.
d)
The pH of the solution at the equivalence point.
e)
The pH of the solution after20.0 mL of HCl is added.
1.What volume of 0.250 M
AgNO3(aq) is required to react with 35.0 mL of
0.210 M CaBr2(aq) in the reaction below:
2 AgNO3(aq) + CaBr2
(aq) ®
Ca(NO3)2(aq) + 2AgBr(s)
Draw titration curve if titrate 10.00 mL of 0.250 M
CH3NH2 with 0.125 M HCl. Also, calculaute pH@ 0.0 mL, 5.00 mL,
10.00 mL, 20.00 mL, 20.50 mL
Please explain everything you are doing so I could
understand how you solved. Do not write in cursive.