Compute the resulting ph

Assignment Help Biology
Reference no: EM1393353

Q1) Suppose if equal amounts of Na2HPO4 and NaH2PO4 are mixed in water, calculate the resulting pH. The pKas of phosphoric acid are 2.1, 7.2, 12.4.

Q2) Estimate the pH of the resulting solution prepared by mixing 1.0 mole of solid disodium phosphate (Na2HPO4) and 1.25 mole of hydrochloric acid. The pKas of phosphoric acid are 2.1, 7.2, 12.4.

 

Reference no: EM1393353

Questions Cloud

Discuss validity of central limit theorem : Critically discuss the Central Limit Theorem? How large should the sample size be if the underlying distribution of the population values are:
Critical values and identify the rejection regions : Find the critical values and identify the rejection regions. Calculate d and sd. Use the t-test to find the standardized test statistic t. decide whether to reject or fail to reject the null hypothesis.
Explain social responsibility activities and contributions : Social responsibility activities and contributions are mandated legally for large multinational global corporations by the World Bank and the United Nations.
Critical values for the alternative hypothesis : Use the t-distribution table to find the critical values for the indicated alternative hypothesis, level of significance, a and sample size n1 and n2. Assume that the sample are independent, normal and random. Ha: u1
Compute the resulting ph : Suppose if equal amounts of Na2HPO4 and NaH2PO4 are mixed in water, compute the resulting pH. The pKas of phosphoric acid are 2.1, 7.2, 12.4.
How the role of social worker is significant for society : The role of social worker is very significant for society as whole. Can managers act as social workers? Explain why or Why not?, How can managers contribute to social and political context?
Tendon of quadriceps femoris and patellar ligament : Determine tendon of quadriceps femoris and patellar ligament? Mention 3 muscles that form pes anserinus tendon on superior and medial aspect of the tibia.
Determining mean number of hurricanes in a year : Over the past 50 years, the number of hurricanes that have been reported are as follows: 9 times there were 7 hurricanes, 14 times there were 8 hurricanes, 19 times there were 11 hurricanes, and in the remaining years there were 14 hurricanes. Wha..
Sample statistic-independent random samples : Test the following claim about the difference between 2 populations proportions p1 and p2 for the given level of significance a and given sample statistic. Is it right-tailed, left-tailed, two-tailed. Assume the sample statistic are from independe..

Reviews

Write a Review

Biology Questions & Answers

  Enzymes catalase and superoxide reductase

Discuss similarities and differences of the enzymes catalase, superoxide dismutase, & superoxide reductase from the following points of view

  What is the part of the integumentary system

How does the increase in estrogen level correspond to the thickness of uterine lining (endometrium)? Clarify why this makes sense based on the function of estrogen.

  A single crossover between genes 6 and 7

An inversion heterozygote possesses a normal chromosome and one with an inversion. The gene orders in these 2 chromosomes are shown below- Normal 1 2 3 4 5 6 7 8 9 10 o.

  What is atherosclerosis

Describe why digestion of lipids is difficult for digestive enzymes? What should happen to fats or lipids in order for digestion to be complete.

  Important biology question

Assume after not eating full day and feeling absolutely famished, you eat a meal high in vitamin A. Forecast and describe what type of transport process

  Compare and contrast the purpose of mitosis with the meiosis

Result of mitosis is that daughter cells end up with the similar number of the chromosomes just as the parent cell. This is obtained through the chromosome duplication followed by the cell division.

  Explain which is a key component of the cytoskeleton

explain which is a key component of the cytoskeleton.

  What is meant by term proto-oncogen

Explain physiological changes that occur in three different organ systems when food is ingested and how these systems coordinate a response in the human body.

  Determine the map distances

In a cross in Drosophila, a female heterozygous for the autosomally linked genes a, b, c, d, and e was testcrossed with a male homozygous for all recessive alleles.

  Two aqueous solutions

Two aqueous solutions are separated by a semi-permeable membrane that was not permeable to salt, but was to water. Side A had a 20 percent salt solution Side B had 50 percent salt solution,

  Which setting tends to be warmer on a given day

Martha is maintaining her current weight by eating 2,500 kcalories per day. To lose 1 pound of fat per week, she would have to decrease her intake to how several kcalories per day. Considering the albedo of various surfaces how might temperatures var..

  Explain an experiment to test the hypothesis

Explain an experiment to test this hypothesis. Be explicit about the methods you will use, the setting, the time that the experiment will last, and the variables you will measure.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd