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explain what mass of solid kf molar mass 581 gmol should be added to20 l of 025 m hf to make a buffer with a ph of 314
work for the odors-r-us company and have merely been informed that blight has wiped out your pineapple crop needed to
an insect infestation has merely decimated your suppliers banana crop and you are now also needed to synthesize the
suggest a mechanism for the base-catalyzed condensation of one molecule of acetone with two molecules of benzaldehyde
a student mixes 500 ml of 100 m baoh2 with 864 mlof 0494 m h2so4 compute the mass of baso4 formed and the ph of the
from the solubility data given compute the solubility products for the following compounds a srf2 73 x10-2 gl and b
glucose is a molecule that is able to diffuse across the plasma membrane with a diffusion coefficient d of 3 x 10-8 cm2
depict the complete mechanism showing electron flow with curvy arrows that include all steps as well as intermediates
explain what is the hydronium-ion concentration in a solution formed by combining 150ml of 010 m naoh with 50ml of 030
if calcium carbonate is the active ingredient in many antacid tablets and two tablets combined contained 150 grams of
lets say you drive a car 1000 miles and you average 162 miles per gallon of gasoline assuming composition of gas is
explain what is the ph of a 01m kal so42 solution same for 01m nac2h3o2 01m nh4cl 01m zncl2 01mna2hpo401m kalso42 -
explain when an additional mol of gas is added at constant temperature and volume to a flask containing 200 mol of gas
you have also been informed that an insect infestation has just decimated your suppliers banana crop and you are now as
evaluate theoretical quantities of thionyl chloride and sodium borohydride needed to convert benzoin to
compute the ratio of potential energies for the interaction of a water molecule with anal3 ion and with a be2 ion take
compute theoretical quantities of thionyl chloride and sodium borohydride needed to convert benzoin to
define how the boiling points melting points and densities are different for butane and 2-methylpropane
on mole of a weak acid ha was dissolved in 20 l of solution after the system had come to equilibrium the concentration
for propanoic acid hc3h5o2 ka 13e-5 find out the concentration of all species present the ph as well as the percent
a certain compound is made up barium and one of the halogens a 0158 grams sample of this compound was dissolved in
if one method of favoring the formation of an ester is to add excess acetic acid propose another method involving the
substance that could store more energy on a per gram basis between sodium thiosulfate pentahydrate as well as sodium
state balanced chemical equations for the additions of 01 mhcl and 01m naoh to a citric acid-potassium citrate
in an experiment 20ml of 020m nh4oh is titrated with 025m hclwhat is the ph at the equivalent