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Describe how to prepare a total volume of 100 mL of each of the following buffer solutions via titration of 25.00 mL of 0.10M weak acid with strong base, and adding water as needed. Give the identity of weak acid you selected, the mL of 0.100 M NaOH, and the mL of water to bring the total volume to 100 mL. you may use any appropriate weak acid listed in the Ka table in your textbook.
A. buffer pH = 5.00
B. buffer pH = 7.00
if a raindrop weighs 65 mg on average and 5.1x10^5 raindrops fall on a lawn every minute what mass in kg of rain falls in 1.5 hours
it says that isothiocyanatech3ncss carbon atom actively responses to material that has nonbonding electronsuch as oh-.
Which of the following are ways that catalysts can speed up reactions rates? You must check all answers that apply.
When an ionic solid is added into a solvent, you can see that the ionic solid dissociates into its respective cations and anions. The solvent molecules immediately cluster around the ions.
How much gold metal (in grams) can be electro-plated from a gold (III) solution with 1.50 V and 2200 mAh. I think it is 16.17 grams
As a chemist for an agricultural products company, you have just developed a new herbicide,"Herbigon," that you think has the potential to kill weeds effectively
Provide an explanation for the trend observed by comparing the basicity of the oxyanion bases. Include any additional structures necessary in your explanation! B ase % 1-Butene in Total Butenes Potassium p-nitrobenzoate 5.8 Potassium benzoate 7.2 ..
Calculate the molality and molarity of an NH3 solution made up of 37.0 g of NH3 in 70.0 g of water. The density of the solution is 0.982 g/mL.
When square brackets are placed around the formula for a substance, such as [NaOH], it indicates that we are working with the percent-by-mass
Using butane as your only carbon source, please propose a synthesis to make trans-2-ethyl-3-(1-oxoethyl)oxirane. any common reagent
A voltaic cell is constructed that uses the following reaction and operates at 298 K. (Ered Ni+2 is -0.277) Zn(s) + Ni2+(aq) Zn2+(aq) + Ni(s) (a) What is the emf of this cell under standard conditions?
What are the types of forces, in addition to london forces, that are overcome in these changes. using structural formulas, make a sketch representing the major type of force in each case.
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