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Describe in detail how you would prepare 300 mL of aqueous 0.200M sodium sulfate. What mass of sodium sulfate is needed?
What would be the number of ions present in a solution of an electrolyte if the freezing point is lowered to -5.1 degree celsuis. given that a non-electrolyte of the same concentration as the electrolyte lowers the freezing point of the same to a ..
A solution of household bleach contains 5.25% sodium hypochlorite, NaOCl, by mass. Assuming that the density of bleach is the same as water, calculate the volume of household bleach that should be diluted with water
What is the major organic product formed when methylmagnesium bromide, a strong nucleophile, is treated with benzaldehyde, followed by protonation with acid
Complete the following neutralization reaction, and identify the strong acid, strong base, weak acid and/or weak base. a. CH3COOH + NH4OH
The cereal sample without adding complexing agent was used as blank when measuring cereal sample. Why cannot we use DI water?
How many grams of lanthanum chloride LaCl3 must be added to 1 kg of water to lower the freezing point of water by 1.1 degrees C?
What is the phenomenon that occurs when excited gaseous elements emit only a few colored lines? a. Planck's constant
Starting with a 0.1 M solution and making a series of 1:100 dilutions, how many dilutions must you make to prepare a solution, that on average, has fewer than one molecule of solute per liter of solvent.
The Ksp for AgCl = 1.8x10^-10, @25 degrees Celsius. If the goal is to harvest silver ions from a film stop bath, and the plan is to get the silver ion concentration down to 18x10^-12 M, using NaCl, what concentration of Cl- ion, in M is required
What is the difference between the equatorial positions and the axial positions on the cyclohexane conformations?
the reaction h2g i2g lt----gt 2hig has kp 45.9 at 763 k. a particular equilibrium mixture at that temperature
In the titration of an impure sample of KHP, it was found that 30.6 mL of 0.100 M NaOH was required to react completely with 0.745 g of sample. What is the percentage of KHP in this sample
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