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For a 0.0309 M aqueous solution of cyanic acid, HCNO
(Ka = 3.5*10-4), determine the following.
What are the major and minor species present? Include
phase.
What is the major species (other than water)?
Edit
What is the minor species (other than H3O+
and OH-)?
Edit
LINK TO TEXT
What is the concentration of the minor species in the
solution?
M
The number of significant digits is set to 1; the tolerance
is +/-4%
LINK TO TEXT
What is the...
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Chapter 15, Question 22 For a 0.0365 M aqueous solution of cyanic acid, HCNO (Kg = 3.5*10-4), determine the following. X Incorrect. What are the major and minor species present? Include phase. What is the major species (other than water)? HCNO Edit What is the minor species (other than H30+ and OH)? CNO Edit LINK TO TEXT X Incorrect CES X Incorrect. 8 What is the concentration of the minor species in the solution? X 4 M The number of...
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Calculate the concentrations of hydroxide and hydronium ions in
a solution prepared by dissolving 0.471 g of solid NaOH in enough
water to make 225 mL of solution.
Kw = 1.0E-14.
Hydroxide ion concentration?
M
The number of significant digits is set to 3; the tolerance
is +/-4%
LINK TO TEXT
Hydronium ion concentration?
M
The number of significant digits is set to 3; the tolerance
is +/-4%
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Calculate the [OH-] in each of the following solutions:
(a) [H+] = 6.3 × 10-4 [OH-] = × 10
(b) [H+] = 2.7 × 10-8 [OH-] = × 10
(c) 1.14 M KOH [OH-] = M The number of significant digits is set
to 3; the tolerance is +/-0%
(d) 0.68M HC2H3O2 (Ka = 1.8 × 10-5) [OH-] = × 10 M
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Consider the following solutions: Solution 1: 0.100 L of 0.25 M NaCH3CO2 + 0.050 L of 0.25 M HCI Solution 2: 0.100 L of 0.25 M HCH3CO2 + 0.050 L of 0.25 M NaOH What is the pH of Solution 1 after adding 4.2 mmol of strong base? The number of significant digits is set to 3; the tolerance is +/-1.0% LINK TO TEXT What is the pH of Solution 2 after adding 4.2 mmol of strong base? The number...
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Calculate the pH to the correct number of significant figures
for solutions with the following concentrations of H3O+ or OH?
.
Part A
Part complete
[H3O+] = 2.5×10?5 M
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Part B
Part complete
[OH?] = 10?3 M
pH =
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Part C
Part complete
[H3O+] = 3.50×10?9 M
pH =
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Part D
Part complete
[H3O+] = 9×10?3 M
pH =
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Part E
Part complete
[OH?] = 15 M
pH...
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What is the pH to the correct number of significant figures for
solutions with the following concentrations of H3O+ or OH−?
[OH−] = 5.0×10−3 M pH=
[H3O+] = 10−8 M pH=
[H3O+] = 4.0 M . pH=
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Complete these statements, supplying the proper quantity Report your answers with 4 significant digits. For numbers in scena natation, use the following notation for 1000, enter 1.000E+3. A mole of O atoms contains The number of significant digits is set to 4, the tolerance is +/-0.1% A mole of O2 molecules contains molecules. The number of significant digits is set to ; the tolerance is +/-0.196 A mole of O molecules contains The number of significant digits is set to...
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Please help!
For the titration of 50. mL of 0.10 M ammonia with 0.10 M HCl, calculate the pH For ammonia, NH3, Kh = 1.8 x 105. (a) Before the addition of any HCl solution pH= The number of significant digits is set to 4; the tolerance is +/-2% (b) After 20. mL of the acid has been added pH = The number of siqnificant digits is set to 3; the tolerance is +/-2% (c) After half of the NH3...
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Convert the following units. Make sure that your answer has the
proper number of significant figures.
a. 4.8 g/cm3 to kg/m3
b. 941 µm to km. Use scientific notation for your answer. (µ is
the prefix "micro" and 1 µm = 1 x 10−6 m)
c. The speed of light is 2.9989 x 108 m/s. Convert to
miles/hour. Use scientific notation in your answer.
d. 782 kg to µg. Use scientific notion for your answer.
![The objective is to calculate the pH to the following data. Ans Given that, pH = -log Cht] and port = -log[OH-] also, pH + PO](http://img.homeworklib.com/questions/09a3e6b0-0ba5-11eb-9fc2-e77298b20f0b.png?x-oss-process=image/resize,w_560)
![110) РОН -og COH] E-log(0.039) = 1.41 pH = 14-poh 14-1841 pH = 12.59 iv) poH = -log[or] =-log(0.00041) 53.39 pH = 14-poh -14-](http://img.homeworklib.com/questions/0ba67190-0ba5-11eb-9fb6-e10aa3818a7a.png?x-oss-process=image/resize,w_560)
Chapter 15, Question 22 For a 0.0365 M aqueous solution of cyanic acid, HCNO (Kg = 3.5*10-4), determine the following. X Incorrect. What are the major and minor species present? Include phase. What is the major species (other than water)? HCNO Edit What is the minor species (other than H30+ and OH)? CNO Edit LINK TO TEXT X Incorrect CES X Incorrect. 8 What is the concentration of the minor species in the solution? X 4 M The number of...
Consider the following solutions: Solution 1: 0.100 L of 0.25 M NaCH3CO2 + 0.050 L of 0.25 M HCI Solution 2: 0.100 L of 0.25 M HCH3CO2 + 0.050 L of 0.25 M NaOH What is the pH of Solution 1 after adding 4.2 mmol of strong base? The number of significant digits is set to 3; the tolerance is +/-1.0% LINK TO TEXT What is the pH of Solution 2 after adding 4.2 mmol of strong base? The number...
Complete these statements, supplying the proper quantity Report your answers with 4 significant digits. For numbers in scena natation, use the following notation for 1000, enter 1.000E+3. A mole of O atoms contains The number of significant digits is set to 4, the tolerance is +/-0.1% A mole of O2 molecules contains molecules. The number of significant digits is set to ; the tolerance is +/-0.196 A mole of O molecules contains The number of significant digits is set to...
Please help!
For the titration of 50. mL of 0.10 M ammonia with 0.10 M HCl, calculate the pH For ammonia, NH3, Kh = 1.8 x 105. (a) Before the addition of any HCl solution pH= The number of significant digits is set to 4; the tolerance is +/-2% (b) After 20. mL of the acid has been added pH = The number of siqnificant digits is set to 3; the tolerance is +/-2% (c) After half of the NH3...