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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When considering sexual addiction - select one: a. A persons, religious faith, or moral values will not immunize them against sexual addiction
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