![You are correct. Your receipt no. is 160-5924の . You have a 9.27E-3 M solution of [OH], what is the concentration of [H] in the sample? Enter your answer in scientific notation using the following format: 1.23 x 10-4-1.23E-4 Submit Answer Tries 0/45](http://img.homeworklib.com/questions/d0739fa0-c738-11ea-9858-c50faeec5241.png?x-oss-process=image/resize,w_560)
Homework Answers
![OH-1.27E-3 M H+] 1.08 x 10 O8E-12 M](http://img.homeworklib.com/questions/a7a7ce50-c739-11ea-89d7-1b49e8c7ba68.png?x-oss-process=image/resize,w_560)
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You are correct. Your receipt no. is 160-5924の . You have a 9.27E-3 M solution of...
*Remember to submit each part separately to avoid losing your work* *Be careful with your significant...
*Remember to submit each part separately to avoid losing
your work*
*Be careful with your significant digits*
For a 0.36 M solution of HNO3, calculate:
[H+], pH,
pOH, and [OH-]
Determine all pH and pOH values to two decimal places.
1) To enter an answer in scientific notation:
1.2×10−4 = 1.2E-4
[H+]= 0.36 M
pH= 0.44
pOH= 13.56
[OH-]= 2.7×10-14M
You are correct.
Your receipt no. is 164-4624
Previous Tries
2) Now make the same calculations for a 1.0×10−13 M...
You have 315 mL of an aqueous solution that is 0.29 M Na2SO4 and a separate...
You have 315 mL of an aqueous solution that is 0.29 M Na2SO4 and a separate 250 mL aqueous solution that is 0.41 M BaCl2- a). How many moles of each of the four ions are present (do not use the word "moles" in your answer, just the number)? Na+ 5042- Ba2+ ci b). When these two solutions are mixed together, what is the chemical formula of the solid expected to precipitate from the mixture? (Don't forget to put (s)...
What is the amplitude of this function? 1.4 m 4 You are correct. Your receipt no....
What is the amplitude of this function? 1.4 m 4 You are correct. Your receipt no. is 163-28346) Previous Tries What is the period of this function 0.25 s What is the frequency (in Hz) of this function? 4 Hz What is the angular frequency (in rad/s) of this function? Submit Answer Incorrect. Tries 4/5 Previous Tries Submit Answer Incorrect. Tries 2/5 Previous Tries -1 -2 -3 Submit Answer Tries 0/5 -4 2 024
What is the amplitude of this function? 2.9 m 4 You are correct. Your receipt no....
What is the amplitude of this function? 2.9 m 4 You are correct. Your receipt no. is 163-4005 Previous Tries What is the period of this function? 1.125s Submit Answer Incorrect. Tries 3/5 Previous Tries What is the frequency (in Hz) of this function? 0.89Hz Submit Answer Incorrect. Tries 3/5 Previous Tries 0 一-1 What is the angular frequency (in rad/s) of this function? 5.585rad/s Incorrect. Tries 1/5 Previous Tries Submit Answer -4 2024 time t [s]
What is the amplitude of this function? 1.4 m 4 You are correct. Your receipt no....
What is the amplitude of this function? 1.4 m 4 You are correct. Your receipt no. is 163-2834 What is the period of this function? 2.5 s Incorrect. Tries 5/5 Previous Tries What is the frequency (in Hz) of this function? 0.4 Hz Submit Answer Incorrect. Tries 3/5 Previous Tries What is the angular frequency (in rad/s) of this function 2.51 rad/s Submit Answer Incorrect. Tries 1/5 Previous Tries -3 4204 time t [s]
0.741 V You are correct. Your receipt no. is 156-8240 Previous Tries 2. Determine Ecell (in...
0.741 V You are correct. Your receipt no. is 156-8240 Previous Tries 2. Determine Ecell (in V) at 298.15 K for a cell composed of a Ti electrode in a solution of 0.372 M + coupled to a platinum electrode in a solution where the [H] is 0.984 M and the partial pressure of Hy is 1.500 atm. Report your answer to three decimal places in standard notation (I.e. 1.234 V).
You have an aqueous solution at 25°C with [OH-] = (2.260x10^-3) M. What is the pOH...
You have an aqueous solution at 25°C with [OH-] = (2.260x10^-3) M. What is the pOH of this solution? (pOH is a unitless quantity.) NOTE: To use scientific notation for the concentration, D2L requires that the pOH be reported using scientific notation as well. I apologize for the awkward formatting. Note: Your answer is assumed to be reduced to the highest power possible.
A solution is made by mixing exactly 500 mL of 0.182 M NaOH with exactly 500...
A solution is made by mixing exactly 500 mL of 0.182 M NaOH with exactly 500 mL of 0.100 M CH3COOH. Calculate the equilibrium concentration of the species below. Ka of CH3COOH is 1.8 × 10−5 [H+] × 10 M Enter your answer in scientific notation. [OH−] M [CH3COOH] × 10 M Enter your answer in scientific notation. [Na+] M [CH3COO−] M
You have an aqueous solution at 25°C with [OH-] = (2.748x10^-7) M. What is the pOH...
You have an aqueous solution at 25°C with [OH-] = (2.748x10^-7) M. What is the pOH of this solution? (pOH is a unitless quantity.) NOTE: To use scientific notation for the concentration, D2L requires that the pOH be reported using scientific notation as well. I apologize for the awkward formatting. Note: Your answer is assumed to be reduced to the highest power possible.
What is the hydrogen ion, H+, concentration in a 0.00018 M HBr solution? Answer to 4...
What is the hydrogen ion, H+, concentration in a 0.00018 M HBr solution? Answer to 4 decimal places and be sure to include your units. Answer: What is the hydroxide, OH?, concentration in a 0.00018 M HBr solution? Put your answer in scientific notation (i.e 3.0 x 10-3 put 3.0E-3) and include your units. Answer: What is the pH of a 0.00018 M HBr solution? Answer to 2 decimal places. Answer:
*Remember to submit each part separately to avoid losing
your work*
*Be careful with your significant digits*
For a 0.36 M solution of HNO3, calculate:
[H+], pH,
pOH, and [OH-]
Determine all pH and pOH values to two decimal places.
1) To enter an answer in scientific notation:
1.2×10−4 = 1.2E-4
[H+]= 0.36 M
pH= 0.44
pOH= 13.56
[OH-]= 2.7×10-14M
You are correct.
Your receipt no. is 164-4624
Previous Tries
2) Now make the same calculations for a 1.0×10−13 M...
You have 315 mL of an aqueous solution that is 0.29 M Na2SO4 and a separate 250 mL aqueous solution that is 0.41 M BaCl2- a). How many moles of each of the four ions are present (do not use the word "moles" in your answer, just the number)? Na+ 5042- Ba2+ ci b). When these two solutions are mixed together, what is the chemical formula of the solid expected to precipitate from the mixture? (Don't forget to put (s)...
What is the amplitude of this function? 1.4 m 4 You are correct. Your receipt no. is 163-28346) Previous Tries What is the period of this function 0.25 s What is the frequency (in Hz) of this function? 4 Hz What is the angular frequency (in rad/s) of this function? Submit Answer Incorrect. Tries 4/5 Previous Tries Submit Answer Incorrect. Tries 2/5 Previous Tries -1 -2 -3 Submit Answer Tries 0/5 -4 2 024
What is the amplitude of this function? 2.9 m 4 You are correct. Your receipt no. is 163-4005 Previous Tries What is the period of this function? 1.125s Submit Answer Incorrect. Tries 3/5 Previous Tries What is the frequency (in Hz) of this function? 0.89Hz Submit Answer Incorrect. Tries 3/5 Previous Tries 0 一-1 What is the angular frequency (in rad/s) of this function? 5.585rad/s Incorrect. Tries 1/5 Previous Tries Submit Answer -4 2024 time t [s]
What is the amplitude of this function? 1.4 m 4 You are correct. Your receipt no. is 163-2834 What is the period of this function? 2.5 s Incorrect. Tries 5/5 Previous Tries What is the frequency (in Hz) of this function? 0.4 Hz Submit Answer Incorrect. Tries 3/5 Previous Tries What is the angular frequency (in rad/s) of this function 2.51 rad/s Submit Answer Incorrect. Tries 1/5 Previous Tries -3 4204 time t [s]
0.741 V You are correct. Your receipt no. is 156-8240 Previous Tries 2. Determine Ecell (in V) at 298.15 K for a cell composed of a Ti electrode in a solution of 0.372 M + coupled to a platinum electrode in a solution where the [H] is 0.984 M and the partial pressure of Hy is 1.500 atm. Report your answer to three decimal places in standard notation (I.e. 1.234 V).
What is the hydrogen ion, H+, concentration in a 0.00018 M HBr solution? Answer to 4 decimal places and be sure to include your units. Answer: What is the hydroxide, OH?, concentration in a 0.00018 M HBr solution? Put your answer in scientific notation (i.e 3.0 x 10-3 put 3.0E-3) and include your units. Answer: What is the pH of a 0.00018 M HBr solution? Answer to 2 decimal places. Answer:
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