Consider a weak acid "HA". What is the pH of a 1.055 mol L-1 solution of HA?
The KA of HA is 1.73 x 10-7 .
You have 5 attempts at this question.
Remember: if you want to express an answer in scientific notation, use the letter "E". For example "4.32 x 104" should be entered as "4.32E4".
Consider a weak acid "HA". What is the pH of a 1.055 mol L-1 solution of...
What is the pH of a solution containing 0.342 mol L-1 NH3 and 0.140 mol L-1NH4? Round your answer to 2 decimal places. Remember you can find KA and/or Kg values in your textbook in chapter 15. Answer: Check A 45.3 mL solution of 0.283 mol L-1 HCl is titrated using 0.820 mol L-'NaOH. What volume of NaOH (in mL) is needed to reach the equivalence point in this experiment? Remember you can find KA and/or Ke values in your...
What is the molar solubility (in mol L-1) of a salt in pure water with general molecular formula MX (where M is a cation and X is an anion) that has Ksp = 1.57 x 10-8 ? You have 5 attempts at this question. Remember: if you want to express an answer in scientific notation, use the letter "E". For example "4.32 x 104 should be entered as "4.32E4" Answer: Check What is the molar solubility (in mol L-!) of...
A 17.6 mL solution of 0.493 mol L-1 HCOOH is titrated using 0.230 mol L-1 NaOH. What volume of NaOH (in mL) is needed to reach the equivalence point in this experiment? Remember you can find KA and/or KB values in your textbook in chapter 15. Remember: if you want to express an answer in scientific notation, use the letter "E". For example "4.32 x 104" should be entered as "4.32E4".
ng: A 28.6 ml solution of 0.582 mol L NaOH is titrated using 0.683 mol L HC. What volume of HCl (in mL) is needed to reach the equivalence point in this experiment? Remember you can find KA and/or KB values in your textbook in chapter 15. Remember: if you want to express an answer in scientific notation, use the letter "E". For example "4.32 x 104" should be entered as "4.32E4". zion
How many grams of C2H6O are in a 0.082 mol L-1solution with a volume of 59.4 mL? Remember: if you want to express an answer in scientific notation, use the letter "E". For example "4.32 x 104" should be entered as "4.32E4".
can someone please help me with this 3 questions? What is the molar solubility (in mol L') of a salt in pure water with general molecular formula MX2 (where M is a cation and X is an anion) that has Ksp = 7.70 x 10-9? You have 5 attempts at this question. Remember: if you want to express an answer in scientific notation, use the letter "E". For example "4.32 x 10" should be entered as "4.32E4". Answer: Check What...
What is ΔrG° for a reaction (in kJ mol-1) which has equilibrium constant K = 1.0 x 1010 at the temperature 16.3 °C? You have 5 attempts at this question. Remember: if you want to express an answer in scientific notation, use the letter "E". For example "4.32 x 104" should be entered as "4.32E4".
Consider a weak acid "HA". What is the pH of a 0.853 mol L-1 solution of HA? The KA of HA is 6.32 x 10-6
please help me with both. TIA The following chemical reaction: A → products shows zero order kinetics with respect to A; rate = k[A]º. if k = 9.65 x 10-3 moll's and the initial concentration of A is 0.622 mol L-1, what is the half life of this reaction in minutes? You have 5 attempts at this question. Remember: if you want to express an answer in scientific notation, use the letter "E". For example "4.32 x 104 should be...
6-What is the E°cell (in V) for a redox reaction that has equilibrium constant K =7.8 x 10-2 at 25°C ? Assume 1 electrons are transferred in the balanced redox reaction. Remember: if you want to express an answer in scientific notation, use the letter "E". For example "4.32 x 104" should be entered as "4.32E4". 7--Consider a hypothetical salt of low solubility, "MX", where M+ is a metal cation and X- is a non-metal anion. A voltaic cell was...