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What volume in liters of 0.75 molal sodium phosphate dodecahydrate aqueous(density 1.16g/mL) is needed to precipitate all of the ca2=+ from 0.600L of 0.500 molar calcium nirate aqueous solution?
What volume of chlorine gas at 25.0 ºC and 855 mm Hg pressure is required to react with 84.0 g of phosphorus as given in the above equation
How much heat is released by 100.0 mL of a dilute solution of NH4NO3 as it changes its temperature from 22.4C to 19.1C when it is being prepared?
consider two cells the first with al and ag electrodes and the second with zn and ni electrodes each in appropriate
4 fess 7 o2g 2 fe2o3s 4 so2gat constant temperature and pressure what is the maximum volume in liters of fe2o3s that
What are the resonance structures for [H2CNO2]-? The problem asks for the major and minor contributors. The answer key says that there are two structures in which the only double bond switches between the two NO bonds
If you have a 25 mL solution that contains 47 ug/dL of iron, how many grams of iron must be removed to reach a concentration of 23 ug/dL? How many moles of iron is this
The first step of the fischer esterification involves protonation of the oxygen of the carboxylic acid by the acid catalyst:
Determine the mass of 28.56 mL of acetone and express your answer in grams? also find out the volume, of 6.54 g of acetone and express your answer , in mL?
You have 10 mL of .2 M sodium acetate and 1 mL of .1 M HCl, and 9 mL distilled water. Divide the solution in half In one half, add .5 mL .1 M HCl, the other half, add .5 mL .1 M NaOH. Calculate the pH before the two additions and after.
Initial temp of HCL solution: 22 degree c Mass of magnesium: 0.6 g Moles of mag: 0.025 highest temp of mixture: 63 degree c Delta T: 41 degree c Heat gained by solution
In a tripeptide of Lys-Glu-Arg, would you predict that the pKa of the middle Asparate to be lower, higher, or unchanged
If the total mass of H2O produced is 23.4 grams, what was the approximate mass of the methane in the original mixture?
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