Discuss on solid sodium dihydrogenphospate
Explain how would you prepare 150.0 ml of a buffer having a pH of 7.05using solid sodium hydrogen phosphate and solid sodium dihydrogenphospate?
Expected delivery within 24 Hours
Suppose that we observe a random variable having the binomial distribution. Let X be the number of successes in n trials.
A student wishes to determine the density of a solution of sodium hydroxide. He finds the mass of the flask to be 25.631 g. He finds the mass of the flask filled with sodium hydroxide solution is 36.138 g.
Write the balanced equation for the reaction and determine the enthalpy change that occurs when1.5 moles of hydrazine is burned. In liquid-fuel rockets the fuels are liquid hydrazine (N2H4) and dinitrogentetroxide gas (N2O4).
Explain which of the three reagents used in your synthesis of Alum experiment was the limiting reactant (1.5 M KOH, 4.5 M H2SO4 or the Al)? Calculate the spectrographic electron configuration for Li?
Explain how would you prepare 150.0 ml of a buffer having a pH of 7.05 using solid sodium hydrogen phosphate and solid sodium dihydrogenphospate?
100.0 ml of a buffer consists of the 0.20 M NH3 and 0.01 M NH4Cl (pKb of NH3=4.75) Determine the change in pH of the solution after the 25.0 ml of 0.10 M of HI has been added?
Assume that the mean score on this test is 75.6 with standard deviation of 7.8. Assume also that the scores follow bell-shaped distribution.
A buffer contains 0.1500 M KNO2 and 0.2000 M of HNO2. Describe the pH after the 0.0020 mol of HCL is added to the 250 ml of this solution.(Assume there are no volume changes when the acid is added.)
Test at the 1% level the null hypothesis that population proportions are equal against the alternative that the higher proportion of French have a positive attitude towards car salesmen.
1942153
Questions Asked
3,689
Active Tutors
1436854
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Identify one key relationship you have currently in your life (My mom, and we have a great relationships). What is that person and how would you describe that
According to Freud's Psychosexual Development, which stage are Jeffrey's symptoms consistent with?
Question: George's behavior may be less about the specific substance and more about replacing a deeply ingrained ritual.
1. Explain the controversy that surrounds personality and paraphilic disorder. 2. Explain your professional beliefs about this disorder, supporting
Take on the perspective of someone engaged in recruitment for human trafficking (such as a trafficker, pimp, or recruiter).
Some factors that contribute to a child being accepted or rejected by their peers can be their communication skills such as how the listen and respond to peers.
Question: You may not have alignment between your personal purpose and the corporate purpose in every job.