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Need to have a chart of the atoms and elements, so I can tell which is which on the assignment also need to draw a picture of the atom of oxygen
what is the mole fraction of A in the vapor above a binary solution of A and B in which the mole fraction of A is 0.30?
If one pipet volume of each of the following pipets (2, 5, 10 mL) of a 2.56x10-1 M sample are added to a 25 mL volumetric flask and it is filled to the line with water and well mixed, what is the concentration of the resulting solution?
What is the mol fraction Na2SO4 in a solution which is 11.5% by weight Na2SO4 (molar mass Na2SO4 = 142.06 g/mol and H2O = 18.016 g/mol)?
Need explanation: In ionizing bases, the reaction of sodium hydroxide in water is Ca(OH)2 (s) = Ca2+(aq)+2OH-(aq) First of all, how do I know that Ca(OH)2 is sodium hydroxide
How many milliliters of 0.100 M NaOH(aq) would be needed to completely neutralize 50.0 milliliters of 0.300 M HCl(aq)
For barium flouride Ksp= 2.4 x10^-5 compared to its solubility in pure water, will barium flouride be more soluble, about equally soluble or less soluble in each of the following solutions
Potassium hydroxide is used to precipitate each of the cations from their respective solution. Determine the minimum concentration of KOH required for precipitation to begin in each case.
When SbCl3(g) (409.0 grams) and 127.1 grams of Cl2(g) in a 120.0 L reaction vessel at 705.0 °C are allowed to come to equilibrium the mixture contains 1.302 mol of SbCl5(g). What is the equilibrium concentration (mol/L) of Cl2(g)? SbCl3(g)+Cl2(g) ..
Each of the four cylinders of a combustion engine has a displacement of 2.0L. If each pison in the four cylinders is displaced against a pressure of 2.0 atm and each cylinder is ignited once per second
titrated with 0.09381M NaOH, 27.63mL were required to reach the equivalence point. The pH at the equivalence point was 10.99. what was the pH when only 19.47mL of NaOH had been added?
Use the activity series to determine if a single replacement reaction can be seen to occur. If a reaction occurs, write the net ionic equation. a) Cobalt metal in a barium iodide solution b) Tin metal in a copper bromide solution
it is found that the concentration of Pb2+ in a saturated solution of lead bromide is 1.2x10^-2M. what is the ksp for PbBr2
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