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Explain what mass of trisodium phospahte must be dissolved in 50mL of deionized water to produce a solution with total phospahte concentration of.190M
On a long standing, an open bottle of aspirin will develop an odor of vinegar. What causes this to happen?
What is the maximum number of electrons in an atom that can have the following set of quantum numbers?
0.500 moll of mgso4. what is the concentration of this solution when expressed in percent massvolume? a0.602 b0.415
the sodium acetate play in the synthesis of the amide functional group of phenacetin?
Identify the major attractive force between each of the following atoms or molecules: a) He; b) HBr; c) SnH4; d) CH3-CH2-CH2-OH.
write the chemical equation for the reaction that occurs when you add NaOH solution to a CH3CO2H/NaCH3CO2 buffer solution
if 20 ml of .01 m hcl is required to titrate 50 ml of a saturated ba(oh)2 sol how many moles of hydroxide ion were present in the barium solution
When current is allowed to flow, which species is oxidized. What is the value of E0cell
H2(g) + Cl2(g) ? 2HCl(g)
The Debye-huckel limiting law is more reliable for 1:1 electrolytes than for 2:2 electrolytes
The heat capacity of the calorimeter was 24.5J/0C and contained exactly 1250g water which increased from 24.620C to 27.430C. Calculate (Delta)U for the reaction in kJ/mol rxn
three hundred gallons of a mixture containing 75.0 wt ethanol and 25 water mixture specific gravity 0.877 and a
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