Which solution has the lowest pH? 0.1M NaOH 0.1M H2SO4 0.1M HCN 0.1M H2CO3 0.1M NaCl
Homework Answers
0.1M H2SO4 being a strong acid has the ph in the range of 2-3 , has the lowest ph among all the acids , bases and salt given. NaOH is a basic solution with a pH near to 13-14 . H2CO3 carbonic acid is a weak acid with a ph of about 4-5 . NaCl gives a neutral solution.
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Which solution has the lowest pH?
0.1M NaOH
0.1M H2SO4
0.1M HCN
0.1M H2CO3
0.1M NaCl
Which of the following 0.1M aqueous solutions has the lowest pH at 25 C? A. K2HPO3...
Which of the following 0.1M aqueous solutions has the lowest pH at 25 C? A. K2HPO3 B. K2PO3 C. NaH2PO3 D. Li3PO3 E. NaOH (the answer is C, but can someone explain why)
50.00 mLof 0.1M NaOH solution is titrated with 0.05M H2SO4solution. Calculate the volume of the H2SO4...
50.00 mLof 0.1M NaOH solution is titrated with 0.05M H2SO4solution. Calculate the volume of the H2SO4 solution that is required to completely neutralize the NaOH solution. Leave your answer in 4 significant fIgures.
A solution contains 0.1M total carbonate (H2CO3 + HCO3- + CO3=). If the pH is 6,...
A solution contains 0.1M total carbonate (H2CO3 + HCO3- + CO3=). If the pH is 6, find the concentration (approximations permitted) of each carbonate species present. Refer to the figure carbonate species in the Acids and Bases notes labeled "Predominance Diagrams" and the Table of Ionization Constants in the same notes when arriving at your answer. If the solution also contains 10-4M Ca++, is it saturated, unsaturated, or supersaturated with respect to calcite?
Whish solution has the highest pH?( A). 0.1M hcl (B.) 0.1M NH3 (C) 0.1 M Ba...
Whish solution has the highest pH?( A). 0.1M hcl (B.) 0.1M NH3 (C) 0.1 M Ba (D) 0.1M CH3COOH (E) 0.1M NaOH
A student titrates a 22.0mL solution of 0.200M HCN with 0.200M NaOH The acid disse HCN...
A student titrates a 22.0mL solution of 0.200M HCN with 0.200M NaOH The acid disse HCN is 6.2x10-10 Of The acid dissociation constant of 1. Determine the pH of the acetic acid solution before any NaOH is added 2. Determine the pH of the solution when 6.00mL of 0.100M NaOH has been added. 3. Determine the pH of the solution when17 OmL of 0.100M NaOH has been added. 4. Determine the pH of the solution at the equivalence point.
A student titrates a 22.0mL solution of 0.200M HCN with 0.200M NaOH. The acid dissociation constant...
A student titrates a 22.0mL solution of 0.200M HCN with 0.200M NaOH. The acid dissociation constant of HCN is 6.2 x 10^(-10) Determine the pH of the acetic acid solution before any NaOH is added. Determine the pH of the solution when 6.00mL of 0.100M NaOH has been added Determine the pH of the solution when17.0mL of 0.100M NaOH has been added. Determine the pH of the solution at the equivalence point Determine the pH of the solution after an...
Why does the second drop of 0.1M HCl added to 0.1M NaCl change the PH less...
Why does the second drop of 0.1M HCl added to 0.1M NaCl change the PH less than the first drp of 0.1M HCl?
What is the pH of the solution when 0.2M HCl, 0.4M NaOH and 0.2 M HCN...
What is the pH of the solution when 0.2M HCl, 0.4M NaOH and 0.2 M HCN is mixed, assuming the volume is constant. (Ka(HCN)= 5x10-10)
Assume that 22.00 mL of NaOH (0.100 M) was consumed to titrate a 10.00 mL H2CO3...
Assume that 22.00 mL of NaOH (0.100 M) was consumed to titrate a 10.00 mL H2CO3 solution (fully converted to Na2CO3) pKa1= 6.351 and pKa2= 10.329. (a) what is the concentration of the initial H2CO3 solution? (b) what is the pH of the H2CO3 solution before titration? (c) which is the principal (dominating) species when 5.00 mL of NaOH has been added? (d) what is the pH of the solution when 15.00 mL of NaOH has been added? (e) what...
Assume that 22.00 mL of NaOH (0.100 M) was consumed to titrate a 10.00 mL H2CO3...
Assume that 22.00 mL of NaOH (0.100 M) was consumed to titrate a 10.00 mL H2CO3 solution (fully converted to Na2CO3). pKa1= 6.351 and pKa2= 10.329 (a) what is the concentration of the initial H2CO3 solution? (b) what is the pH of the H2CO3 solution before titration? (c) which is the principal (dominating) species when 5.00 mL of NaOH has been added? (d) what is the pH of the solution when 15.00 mL of NaOH has been added? (e) what...
A student titrates a 22.0mL solution of 0.200M HCN with 0.200M NaOH The acid disse HCN is 6.2x10-10 Of The acid dissociation constant of 1. Determine the pH of the acetic acid solution before any NaOH is added 2. Determine the pH of the solution when 6.00mL of 0.100M NaOH has been added. 3. Determine the pH of the solution when17 OmL of 0.100M NaOH has been added. 4. Determine the pH of the solution at the equivalence point.
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