Calculate the ph of a solution that is 050 m in hf ka 72 x
Calculate the pH of a solution that is 0.50 M in HF (Ka= 7.2 x 10-4) and 0.60 M in NaF. The answer is 3.22. Please show me how to get the correct answer.
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For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants.
Agya is ready to think about how many pairs he can buy. Wait a minute, what happens if any of the ladies going to AUCC spotme at the BDBs? . I will buy any jeans from the Accra mall. Oops I am not quite ready to decide how many pairs I can buy.
The rate constant for a reaction at 40.0 degrees Celsius is exactly 3 times that of 20.0 degrees Celsius. Calculate the Arrhenius energy of activation for the reaction.
Given the utility function U(X,Y)=X^0.5+Y^0.5for John. a) Do the preferences indicated diminishing marginal utility for Xand Y b) If john has income of 30 dollars. What is his demandcurve/equation for X when the price of Y is 2 dollars.
What minimum mass of succimer in milligrams is needed to bind all of the lead in a patient's bloodstream. Assume that patient blood lead levels are 0.530 mg/L , that total blood volume is 5.0 L , and that 1 mol of succimer binds 1 mol of lead.
An ac generator with a frequency of 1.44kHz and an rms voltage of 21.2V is connected in series with a 1.90 kiloohms resistor, What is the power factor for this circuit
A mixture of 6.0 mol of H2(g) and 3.0 mol of O2(g) is placed in a sealed evacuated container made of a perfect insulating material at 26 Celcius. The mixture is ignited with a spark and it reacts to form liquid water. Find the temperature of the w
Critics felt that TISCO might face problems due to the decrease in demand for steel in the global and local markets and increasing competition from cheap imports, and anti-dumping duties imposed on the domestic steel manufacturers by the US.
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A 2-year-old girl is evaluated for cough, runny nose, watery eyes, and fevers for a week. She also developed a diffuse rash,
Question: Which clinical findings tend to support a diagnosis of Klinefelter syndrome?(Select all that apply.) Short arm span Gynecomastia. Scoliosis Small peni
Problem: The treatment that has been the MOST popular for restoring weight among persons with anorexia nervosa is
The nurse is caring for a client who is receiving internal radiation therapy for cervical cancer. Which of the following actions should the nurse take?
What are two ways to share the outcomes of research? Why is it important to present the results of this research to the organization in some capacity?
Problem: The nurse is teaching a client who had left cataract surgery with an intraocular lens implant.
A nurse is reinforcing teaching about exercise with a client who has type 1 diabetes mellitus. Which of the following statements by the client indicates