Question
In: Chemistry
Calculate the pH of the buffer that results from mixing 60.0 ml of 0.250M HCHO2 and...
Calculate the pH of the buffer that results from mixing 60.0 ml of 0.250M HCHO2 and 15.0 ml of 0.500M NaCHO2?
Solutions
queen_honey_blossom answered 2 years agoRelated Solutions
Calculate the pH of the buffer that results from mixing 51.2 mL of a 0.400 M...
Calculate the pH of the buffer that results from mixing 51.2 mL
of a 0.400 M solution of HCHO2 and 12.9 mL of a 0.697 M solution of
NaCHO2. The Ka value for HCHO2 is 1.8 × 10−4 . Express your answer
to two decimal places. (a) 4.15 (b) 2.38 (c) 3.39 (d) 12.8 (e) None
of the above
78 A.) Calculate the pH of the solution that results from mixing 20.0 mL of 0.022...
78 A.) Calculate the pH of the solution that results from mixing
20.0 mL of 0.022 M HCN(aq) with 80.0 mL of 0.066 M NaCN(aq).
pH=
b. Calculate the pH of the solution that results from mixing
28.0 mL of 0.117 M HCN(aq) with 28.0 mL of 0.117 M NaCN(aq).
C. Calculate the pH of the solution that results from mixing
66.0 mL of 0.057 MHCN(aq) with 34.0 mL of 0.034 M NaCN(aq).. The Ka
value for HCN is 4.9×10^(−10)...
1. Calculate the pH of a solution that results from mixing 15 mL of 0.13 M...
1. Calculate the pH of a solution that results from mixing 15 mL
of 0.13 M HBrO(aq) with 11 mL of 0.1 M NaBrO(aq). The Ka
value for HBrO is 2 x 10-9.
2. What is the buffer component ratio, (BrO-)/(HBrO)
of a bromate buffer that has a pH of 7.91. Ka of HBrO is
2.3 x 10-9.
Calculate the pH of the solution that results from mixing 35.0 mL of 0.18 M formic...
Calculate the pH of the solution that results from mixing 35.0
mL of 0.18 M formic acid and 70.0 mL of 0.090 M sodium hydroxide. (
value for formic acid is 1.8*10-4.)
A 1L buffer solution is 0.150M in HC7H5O2 and 0.250M in LiC7H5O2. Calculate the pH of...
A 1L buffer solution is 0.150M in HC7H5O2 and 0.250M in
LiC7H5O2. Calculate the pH of the soln after the additon of 100mL
of 1.00M HCl. The Ka HC7H5O2 = 6.5x10^-5
Calculate the pH of a buffer solution prepared by mixing 20 mL of 5.0% acetic acid...
Calculate the pH of a buffer solution prepared by mixing 20 mL
of 5.0% acetic acid with 20 mL of 0.50 M NaOH and 100 mL of
water
What is the pH of a solution prepared by mixing 60.0 mL of 0.20M potassium carbonate...
What is the pH of a solution prepared by mixing 60.0 mL of 0.20M
potassium carbonate (K2CO3) with 140.0 mL of 0.1M potassium
bicarbonate (KHCO3)? a. 6.43 b. 6.30 c. 6.67 d. 10.32 e. 10.18
What is the pH of a buffer that is prepared by mixing 30.0 mL of 1.0...
What is the pH of a buffer that is prepared by mixing 30.0 mL of
1.0 M HF and 20.0 mL of 2.0 M KF? (Ka for HF 7.2 x
10−4)
What is the pH of a solution that contains 0.40 M CH3COOH and
0.30 M CH3COONa at 25°C (Ka=1.8 x 10−5)?
What is the pH of a buffer that is prepared by mixing 30.0 mL of 1.0...
What is the pH of a buffer that is prepared by mixing 30.0 mL of
1.0 M HF and 20.0 mL of 2.0 M KF? (K a a for HF 7.2 x 10 −4 )
a) What is the pH of a buffer solution prepared by mixing 120 mL of a...
a) What is the pH of a buffer solution prepared by mixing 120 mL
of a 0.435 M CH3CO2H with 50 mL of a .286 M
CH3CO2Na solution?
CH3CO2H Ka = 1.75 x
10-5
b) What is the resulting pH if we add 10.2 mL of a .513 M HCl
solution to this buffer? Does the pH make sense? Why/why not?
c) What is the resulting pH if we add 3.56 mL of a 0.420 M NaOH
solution to the...
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