## Question

###### Question 6 of 11 Calculate the activity coefficient, y, of Ca2 when the ionic Y. Ionic Activity strength of the sol...

Question 6 of 11 Calculate the activity coefficient, y, of Ca2 when the ionic Y. Ionic Activity strength of the solution, , is 0.083 M by linear interpolation of the data in the table. strength (и, М) coefficient (YCa) 0.001 0.870 0.005 0.749 YCa+ 0.01 0.675 0.05 0.485 Calculate the activity coefficient, y, of Ca2+ when the ionic strength of the solution, u, is 0.083 M by using the extended Debye-Hückel equation at 25 °C, where the ion size is 600 pm. 0.1 0.405 YCa about us nriuanu nnlie carears

## Answers

Let x be the activity coefficient of Ca+2 for ionic strength 0.083 y (Ca+2) 0.485 0.05 0.083 0.1 0.405 Linearinterpolation is set up as unknown y interval known u interval Δy Δμ 0.485- X 0.05-0.083 0.485 – 0.405 0.05 – 0.1 0.485 – x_ -0.033 0.08 -0.05 0.485-X =0.66 0.08 0.485 - x=0.0528 x=0.485 -0.0528 = 0.4322 x=0.432 Activity coefficient for Ca*? = 0.432Given that ionic strength of Ca+2 = u = 0.083 M. Charge = + 2 a = 600 pm The activity coefficient of Cat2 is calculated by Debye-Huckel equation For Ca*?, : = 2 and a = 600 pm -0.51-2 VU -0.51*(+2)x10.083 -0.587718 log 7c+2= -=-0.37512 1+ and 1600x10.083 1.566749 305 305 1+2 =100.57312 = 0.42158 Activity coefficient for Cat? (by Debye-Huckel equation) = 0.422

#### Similar Solved Questions

1 answers

##### E of the major benefts the gold standard brought to modern day ntemational fnance was to...

e of the major benefts the gold standard brought to modern day ntemational fnance was to crehewors system Select one: True False...

1 answers

##### The recommended single dose of a medication is 1 teaspoon How many doses can be obtained...

The recommended single dose of a medication is 1 teaspoon How many doses can be obtained from 50mL of the medication?...

1 answers

##### How many metal atoms in a #3.4*g# mass of copper?

How many metal atoms in a #3.4*g# mass of copper?...

1 answers

##### Based on data from the BMI-for-age growth charts, children and adolescents are categorized as overweight when...

Based on data from the BMI-for-age growth charts, children and adolescents are categorized as overweight when their weight is above the percentile. . CA. 65th . B. 75th . C. 85th • D. 95th...

1 answers

##### How is this worked right answer provided i just keep messing up getting there somehow. Any...

How is this worked right answer provided i just keep messing up getting there somehow. Any help appreciated. 800 kHz radio signal is detected at a point 3.2 km distant from a transmitter tower. The electric field amplitude of the signal at that point is 690 mV/m. Assume that the signal power is r...

1 answers

##### Can you please help with this question? 4. a) Strain energy component is not considered while...

Can you please help with this question? 4. a) Strain energy component is not considered while dealing with the n during solidification. Why? (2) while dealing with the nucleation kinetics event b) What would be the effect of higher undercooling on the interian or higher undercooling on the interlam...

1 answers

##### A new virus has been identified. This virus seems to spread show up in patients that...

A new virus has been identified. This virus seems to spread show up in patients that recently had invasive procedures. The health care regulatory agencies want to make it a law that all clinical staff working with invasive procedures must be vaccinated for this virus. How does this request become la...

1 answers

##### Scores on a Statistics Final Exam are normally distributed. Using a 95% confidence level, find the...

Scores on a Statistics Final Exam are normally distributed. Using a 95% confidence level, find the sample size necessary to predict the population mean within 3 points. Assume the population standard deviation is 8 points....

1 answers

##### Two answers are correct Which statement about an electro-pneumatic control system are correct? In the event...

Two answers are correct Which statement about an electro-pneumatic control system are correct? In the event of failure of the electrical power supply or a wire break... A. ... a double solenoid valve moves to the neutral position. B. .... a double solenoid valve position is unchanged. C. .... a spri...

1 answers

##### The regression of height (measured in inches) and gender (male 1 and female-O) on lung volume...

The regression of height (measured in inches) and gender (male 1 and female-O) on lung volume (FEV, measured in liters) had the following ANOVA table: Regression Analysis: FEV Versus Hgt, Sex DF Adj SSAdj MS F-Value P-Value 0.000 0.000 0.000 Source Regression 2 372.479 186.239 1023.65 1 351.155 351....

1 answers

##### An ideal gas is contained in a cylinder with a volume of 4.8 x 10 ml.uta...

An ideal gas is contained in a cylinder with a volume of 4.8 x 10 ml.uta temperature of 20.Cand a pressure of 720. tom. The gas is then compressed to a volume of 27 ml, and the temperature is raised to 810.-C. What is the new pressure of the pas? Pressure...

1 answers

##### We have never talked about dibromoalkanes and KOH. please help. هااا 3. For the reaction shown...

We have never talked about dibromoalkanes and KOH. please help. هااا 3. For the reaction shown below, select the expected major product if excess KOH Was used. КОН و مو مو مو مو A) B) C) D) II III IV E) V...

1 answers

##### What is the molarity of the solution prepared by diluting 20.0 mL of 0.502 M Mg(NO3)2...

What is the molarity of the solution prepared by diluting 20.0 mL of 0.502 M Mg(NO3)2 solution to each of the following final volumes? a. 40.0 mL Molarity = M b. 125 mL Molarity = c. 1.10 L Molarity = d. 375 mL Molarity = M Submit Answer Try Another Version 10 item attempts remaining...

1 answers

##### It's part k and calculation 0.4067×0.4067=0.165 also I dont understand questions 1-4 k. Calculate the Ksp...

It's part k and calculation 0.4067×0.4067=0.165 also I dont understand questions 1-4 k. Calculate the Ksp of KHP in 0.5 M KCl solution. Is there a difference between the Ksp in 0.5 M KCl and the Ksp in purified water (calculation d)? [K] = [HP] = - Calculation Ksp = D=0.165 4a....

1 answers

##### Score: 0 of 1 pt 34 of 58 (23 complete) HW Score: 34.48%, 20 of 58...

Score: 0 of 1 pt 34 of 58 (23 complete) HW Score: 34.48%, 20 of 58 29.3.91 Question Help The formula log 2l = t relates amount of electrical current (in amperes) flowing through a circuit to the length of time t (in seconds) that it takes for the current to pass through the circut. Find the amount o...

1 answers

##### Land costing $46,730 was sold for $87,839 cash. The gain on the sale was reported on the income statement as other incom...

Land costing $46,730 was sold for $87,839 cash. The gain on the sale was reported on the income statement as other income. On the statement of cash flows, what amount should be reported as an investing activity from the sale of land?...