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Assume you are assigned to prepare 0.250 g of orpiment. Describe how you would go about doing so. Make sure to include all the amounts of materials and the equipment you would use. You should plan to use this procedure as your guide for perparing your assigned pigment during the test.
What is the molar solubility of magnesium hydroxide: in water, in pH 12.00 buffer, and in 0.50M magnesium nitrate
How many moles of magnesium and moles of chlorine ions are present in 123.4 mL of a .345 M solution of magnesium chloride
When carbon dioxide is bubbled through a clear calcium hydroxide solution, the solution appears milky. write an equation for the reaction and explain how this reaction illustrates that CO2 is an acidic oxide. Remember to add the states of all reac..
Diethyl ether has a boiling point of 345 degree C and 1 butanol has a boiling point of 117 degree C. Both of these compounds have the same number and types of atom. Explain the difference in their boiling points
Imagine you want to determine the binding constant for a reaction. You know you will need to generate data to calculate the binding constant.
What is the pH of concentrated sodium hydroxide? NaOH FW=40.0 g/mol
How many molecules of water are required to carry over 1 molecule of iodobenzene? How many grams of water per gram of iodobenzene?
What is the dissociation constant, Kd, of a ligand with a percent occupancy (or fractional saturation) of 20% when
when 0.514 g of biphenyl c12h10 undergoes combustion in a bomb calorimeter the temperature rises from 25.8 degc to 29.4
What mass of ammonium chloride, NH4Cl, (Ka = 5.6 x 10^-10) must be added to exactly 500mL of 0.10M NH3 solution to give a solution with a pH of 9.00
Determine the volume of a 0.530 M KMnO4 solution required to completely react with 2.70 g of Zn.
What is the molality of a solution consisting of 3.43 mL of carbon tetrachloride (CCl4; d=1.59 g/mL) in 78.4 mL of methylene chloride (CH2Cl2; d=1.33 g/mL)
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