Homework Answers
pH will increase because NaF is salt of a weak acid HF and is generally basic in nature .So when NaF will react with HF it will form NaHF2 due to which is will become slight basic and it's pH will increase.
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How will the pH of an equilibrium mixture of aqueous HF be affected by...
I need help on this please I just need it to be checked. When 50 mL...
I
need help on this please I just need it to be checked.
When 50 mL of a 0.10 M NaF aqueous solution is added to 50 mL of a 0.10 M HF aqueous solution, relative to the pH of the 0.10 M HF solution, the pH of the resulting solution will remain the same o become 7 increase decrease
A solution that is 0.220 M HF and 0.240 M NaF reacts to produce a mixture...
A solution that is 0.220 M HF and 0.240 M NaF reacts to produce a mixture with what pH? The pKa of HF is 3.20. Please show all steps.
Solve an equilibrium problem (using an ICE table) to calculate the pH of each of the...
Solve an equilibrium problem (using an ICE table) to calculate the pH of each of the following solutions. Ka(HF)=6.3×10−4 A. 0.31 molL−1 HF B. 0.31 molL−1 NaF C. a mixture that is 0.31 molL−1 in HF and 0.31 molL−1 in NaF
Solve an equilibrium problem (using an ICE table) to calculate the pH of each of the...
Solve an equilibrium problem (using an ICE table) to calculate the pH of each of the following solutions. (Ka(HF)=6.8×10^−4 A. 0.13 MM HF B. 0.13 MM NaF C. a mixture that is 0.13 MM in HFHF and 0.13 MM in NaF
Estimating pH 1. If you combine 40.0 mL of a 0.80 M HF solution with 60.0 mL of a 0.60 M NaF solution, which of the fol...
Estimating pH 1. If you combine 40.0 mL of a 0.80 M HF solution with 60.0 mL of a 0.60 M NaF solution, which of the following is correct? HF pKa = 3.17. a) pH will be > 3.17 b) pH will be < 3.17 c) pH will equal 3.17 2. If 1.50 mL of 1.0 M HNO3 is added to a solution containing 40.0 mL of 0.80 M HF and 60.0 mL of 0.60 M NaF, what will happen...
Solve an equilibrium problem (using an ICE table) to calculate the pH of each of the following so...
Solve an equilibrium problem (using an ICE table) to calculate the pH of each of the following solutions. 0.13 M NaF a mixture that is 0.13 M in HF and 0.13 M in NaF
Help please The effect of a catalyst an on equilibrium is to _____ A) increase the...
Help please
The effect of a catalyst an on equilibrium is to _____ A) increase the rate of the forward reaction only B) increase the equilibrium constant so that products are favored C) slow the reverse reaction only D) increase the rate at which equilibrium is achieved without changing the composition of the equilibrium mixture E) shift the equilibrium to the right Which one of the following is the weakest acid? A) HF (K_a = 6.8 times 10^-4) B) HClO...
Calculate the pH of a 0.353 M aqueous solution of hydrofluoric acid (HF, Ka 7.2x10 t)...
Calculate the pH of a 0.353 M aqueous solution of hydrofluoric acid (HF, Ka 7.2x10 t) and the equilibrium concentrations of the weak a and its co base. pH HF equilibrium F leg brium M.
Write reactions to illustrate how the equilibrium mixture in following equation is affected by the addition...
Write reactions to illustrate how the equilibrium mixture in following equation is affected by the addition of 1 M HCl. Explain in terms of Le Chatelier’s Principle. Cu(H2O)4 ^2+(aq) + 4 NH3(aq) ⇋ Cu(NH3)4^2+(aq) + 4 H2O(l)
please show your work How will equilibrium be affected in each of the following? Use "shift...
please show your work
How will equilibrium be affected in each of the following? Use "shift toward CO(g) + 3H2(g) <-> CHa(g) + H2O(g) + heat 22. The removal of CH4(g) 23. The addition of H2O(g)shift toward left 24. A decrease in temperature 25. A decrease in volume
I
need help on this please I just need it to be checked.
When 50 mL of a 0.10 M NaF aqueous solution is added to 50 mL of a 0.10 M HF aqueous solution, relative to the pH of the 0.10 M HF solution, the pH of the resulting solution will remain the same o become 7 increase decrease
Estimating pH 1. If you combine 40.0 mL of a 0.80 M HF solution with 60.0 mL of a 0.60 M NaF solution, which of the following is correct? HF pKa = 3.17. a) pH will be > 3.17 b) pH will be < 3.17 c) pH will equal 3.17 2. If 1.50 mL of 1.0 M HNO3 is added to a solution containing 40.0 mL of 0.80 M HF and 60.0 mL of 0.60 M NaF, what will happen...
Help please
The effect of a catalyst an on equilibrium is to _____ A) increase the rate of the forward reaction only B) increase the equilibrium constant so that products are favored C) slow the reverse reaction only D) increase the rate at which equilibrium is achieved without changing the composition of the equilibrium mixture E) shift the equilibrium to the right Which one of the following is the weakest acid? A) HF (K_a = 6.8 times 10^-4) B) HClO...
Calculate the pH of a 0.353 M aqueous solution of hydrofluoric acid (HF, Ka 7.2x10 t) and the equilibrium concentrations of the weak a and its co base. pH HF equilibrium F leg brium M.
please show your work
How will equilibrium be affected in each of the following? Use "shift toward CO(g) + 3H2(g) <-> CHa(g) + H2O(g) + heat 22. The removal of CH4(g) 23. The addition of H2O(g)shift toward left 24. A decrease in temperature 25. A decrease in volume
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