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A solution contains 3.224mol of base (hydroxide) from Ba(OH)2. Explain how many grams of Ba(OH)2 (171.36 g/mol) are present in the solution?
Choose the correct answer of the following, explain why it is true, and explain why the other choices are untrue: (A) high pE is associated with species such as CH4, NH4+
What is the pH of the solution after the addition of 80.0 mL of 0.0500 M NaOH(aq) to the buffer. What is the pH of the solution after the addition of 10.0 mL of 1.0 M HNO3(aq) to the initial buffer
when a compound a c5h12o is treated with hbr it forms compound b c5h11br. the 1h nmr spectrum of compound a has one
Describe the procedure you will use to determine those cation/anion pairs that produce precipitates. Make sure you include all equipment and amounts of materials you expect to use
Comment of the fact that erythro-2,3-dibromo-3-phenylpropanoic acid undergoes elimination by an E1 pathway in water solvent, but by and E2 pathway when acetone is used as the solvent.
Cyclopentane had nine isomers.
If the pressure exerted by ozone in the stratosphere is 3 x 10^-3 and the temperature is 247 , how many ozone molecules are in a liter?
An oxidation-reduction reaction in which 3 electrons are transferred has a deltaG(standard)=+18.55 kJ at 25 C. What is the value of E(standard)
If the ratio [HbCO]/[HbO2] comes close to 1, death will happen. What partial pressure of CO is fatal. Assume the partial pressure of O2 is 0.20 atm (since air is 20% O2).
The concentrated sulfuric acid is 98.0 percent h2so4 by mass. the density of the solution is 1.83 g/ml. the molar mass of h2so4 is 98.08 g/ml.What is the mass of h2so4 in 100.0g of concentrated sulfuric acid solution?
As a technician in a large pharmaceutical research firm, you need to produce 450. of 1.00 potassium phosphate buffer solution of = 7.38. The of is 7.21. You have the following supplies: 2.00 of 1.00 stock solution
A molecule, whose formula is AB, dissolves in water and also conducts electricity. What one statement best describes this molecule after it's placed in water
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