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If a solution is made by mixing 20.0ml of 0.4M NaCH3COO with 30mL of 0.4M CH3COOH, calculate the pH for acetic acid, Ka=1.76x10^-5
Name the complex ion present when the followng compounds are dissolved in water and determine the number of moles of each species present if one mole of the compound is dissolved
Calculate the probability that a quantum mechanical particle in a one-dimensional box will be found in the left quarter of the box through repeated measurements when it is in the lowest-energy state?
Which of the following set of quantum numbers (ordered n, l, ml, me ) are possible for an electron in an atom
To get an estimate of the number of beans in the jar you weigh six beans and obtain masses of 3.15, 3.12, 2.98, 3.14, 3.02, and 3.09 g . Then you weigh the jar with all the beans in it, and obtain a mass of 2082g . The empty jar has a mass of 6..
if solubility of a particular solute is 10g100g h2o at 20 degrees c which of the following solution concentrations
A bottle of concentrated aqueous sulfuric acid, labeled 98.0 wt% H2SO4, has a concentration of 18.0 M. How many milliliters of reagent should be diluted to 2.600 L to give 5.00 M H2SO4
Why might this fire rekindle days later as someone tries to remove the residue with water? What chemical process is involved here?
Determine the pH of a Na_2HPO_4 solution in which the formal concentration of NaHPO_4 is F= 0.00183 M
You wash dishes for a chemistry laboratory to make extra money for laundry. You earn 6 , and each shift lasts 75 . Your laundry requires 6 . How many shifts must you work if you wish to wash 10 of laundry
If the heat of combustion for a specific compound is -1310kj/mol and its molar mass is 60.87 g/mol, how many grams of this compound must
an average man requires about 2.00mg of vitamin b2 per day. how many pounds of cheese would a man have to eat per day
how many joules of heat are needed to completely vaporize 24.40 g of water at its boiling point?
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