## Answers

Q1. buffer pH 5.62

grams bromide salt of conjugate acid = **57.6** grams

grams weak base = **79.1** grams

Q2. buffer pH 8.05

grams potassium salt of weak acid = **19.6** grams

grams potassium salt of conjugate base = **174** grams

#### Similar Solved Questions

1 answer

##### 5. A motor has coils with a resistance of 30.0 and operates from a voltage of...

5. A motor has coils with a resistance of 30.0 and operates from a voltage of 240 V. When the motor is operating at its maximum speed, the back emf is 145 V. Find the current in the coils (a) when the motor is first turned on and (b) when the motor has reached maximum speed. (c) If the current in th...

1 answer

##### 4. Briefly explain with equations, the fate of pyruvate generated in animal cells during glycolysis. b....

4. Briefly explain with equations, the fate of pyruvate generated in animal cells during glycolysis. b. Identify the organelles in which the reactions stated in (i) above occur 4. Briefly explain with equations, the fate of pyruvate generated in animal cells during glycolysis....

1 answer

##### For this lab, modify the python code below so it will continuously be asking user for...

For this lab, modify the python code below so it will continuously be asking user for inputs to calculate the interest earned until the user enters number 0 (zero) in principle. Once the user enters any number less or equal to 0 in principle, the program will end. here is my code: # Programming Exer...

1 answer

##### A fabric manufacturer believes that the proportion of orders for raw material arriving late is p...

A fabric manufacturer believes that the proportion of orders for raw material arriving late is p = 0.6. If a random sample of 10 orders shows that 3 or fewer arrived late, the hypothesis that p = 0.6 should be rejected in favor of the alternative p < 0.6. Use the binomial distribution. Find the p...

1 answer

##### Serial Problem Business Solutions LO P1, P2, P3, P4, P5, P6 After the success of the...

Serial Problem Business Solutions LO P1, P2, P3, P4, P5, P6 After the success of the company’s first two months, Santana Rey continues to operate Business Solutions. The November 30, 2019, unadjusted trial balance of Business Solutions (reflecting its transactions for October and November of 2...

1 answer

##### Answer is 0.2869. pls show work COH + NaOH- COK Potassium hydrogen phthalate FM242 CON +...

answer is 0.2869. pls show work COH + NaOH- COK Potassium hydrogen phthalate FM242 CON + HO COK The NaOH was then used to standardize H2SO4 H2SO4 + 2NaOH - Na SO, + H2O (a) Titration of 0824 g of potassium hydrogen phthalat required 38,314 g of NaOH solution to reach the end point detected by phe...

1 answer

##### Under App Mail 234 Unde Choi H (95) MSU * Choi S 14,5 M Inbo Я...

Under App Mail 234 Unde Choi H (95) MSU * Choi S 14,5 M Inbo Я сні Piaz Math VX c Use C Get c Und O 121 G what + webwork.math.msu.edu/webwork2/mth_234_us 20 b/Hw15-14.5-The-Chain-Rule/5/?effective User=baidoonc&user=baidoonc&key=J... @R 27 N NP C Apos Databases - Elec...

1 answer

##### A compound microscope has an overall length of 25cm. If the objective lens has a linear...

A compound microscope has an overall length of 25cm. If the objective lens has a linear magnification of 20 and the eyepiece has an apparent magnification of 10, what are their focal lengths? How close to the objective lens should be placed for viewing the final image? What is the total magnificatio...

1 answer

##### Suppose on a string of length L=87 cm, tension T=115 N, and mass m the fundamental...

Suppose on a string of length L=87 cm, tension T=115 N, and mass m the fundamental (1st Harmonic) has a frequency of f1= 500.0 Hz. a) What is the wavelength of the fundamental? b) What is the speed of propagation of the wave in the string? c) What is the mass m of the string? d) In order to tune the...

1 answer

##### Week 12 Quiz v2.0 - Continued 5. Please prepare the Slacker Co. journal entry associated with...

week 12 Quiz v2.0 - Continued 5. Please prepare the Slacker Co. journal entry associated with the bond issue in questions #3 and #4. Co. Journal entry to reflect the annual interest paym 6. Extra Credit: Please prepare the Slacker Co. journal entry to reflect the annual interest payment associated w...

1 answer

##### PRELAB ASSIGNMENT 1. For each product listed, provide the chemical formula and name of the acid...

PRELAB ASSIGNMENT 1. For each product listed, provide the chemical formula and name of the acid or base in that product Label each substance as an acid or a base. Consumer Product Substance Name Substance Formula Acid or Base? Lemon juice Rolaids antacid Tums antacid 2. In Part 1, you will use the o...

1 answer

##### (e) Consider the Runge-Kutta method in solving the following first order ODE: dy First, using Taylor series expansion, we have the following approximation of y evaluated at the time step n+1 as a...

(e) Consider the Runge-Kutta method in solving the following first order ODE: dy First, using Taylor series expansion, we have the following approximation of y evaluated at the time step n+1 as a function of y at the time step n: where h is the size of the time step. The fourth order Runge-Kutta met...

1 answer

##### Need answer for #5. #3 and #4 are both correct. What does the input angular velocity...

Need answer for #5. #3 and #4 are both correct. What does the input angular velocity at A (RPM) need to be, if the output angular velocity of the drum is required to be 27 RPM to fit some application? Hint: the drum is rigidly connected to the arm. Information Copyright © The McGraw-Hill Compa...

1 answer

##### To avoid confusion, please help by providing the formula too. Thank you! Sport rate = $2/€1...

To avoid confusion, please help by providing the formula too. Thank you! Sport rate = $2/€1 Historical rate = $3/€1 A company located in Sweden has translated its financial accounts into U.S. dollars. Fill out the missing entries that translate the balance sheet below. Current Rate Tempor...

1 answer

##### True or false, managers should except special orders provided the special order price exceeds the product...

True or false, managers should except special orders provided the special order price exceeds the product cost per unit under absorption costing. please explain why it is either true or false...