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problem- what is the ph change of a 0260m solution of citric acid pka477 if citrate is added to a concentration of
problem- describe how you would prepare 1000 ml of 0200 m aluminum sulfate solution starting with 0600 m stock
problem- show the reaction for acetone and methyl cyclohexanoate acetone is the nucleophile and solvent the acid hcl is
problem- a sample which may contain silver lead or mercury ions or some combination of these metals is treated with
problem- calculate the volume ml of 300 ww h2o2 needed to prepare 500 ml 36 m h2o2 the density of 300 ww h2o2 is 111
problem- calculate the amount of solute needed to prepare 500 ml of a solution of 015 m malonic acid ch2cooh2 and 0020
problem- consider the combustion reaction between 280ml of liquid methanol density0850gml and 140l of oxygen gas
problem- what is the structure of a hydrocarbon that shows a molecular ion at mz 182 in the mass spectrum and has the
problem- what is the kinetic energy of the emitted electrons when cesium is exposed to uv rays of frequency 141015 hzi
problem- a buffer solution is made using a weak acid ha if the ph of the buffer is 12 and the ratio of a- to ha is 1000
problem- write the molecular formula and net ionic equation for each problem if there is no reaction then say so show
problem- which of the following compounds is most soluble in water 3-pentanone octane 1-butanol methyl propyl ether
problem- for a particular reaction at 2342 c delta g 14316 kj and delta s 96506 jk calculate delta g for this
problem- the delta h vap of a certain compound is 4681 kj mol-1 and its delta s vap is 8138 j mol-1 k-1 what is the
problem- what is the vapor pressure in mmhg of a solution prepared by dissolving 350g of ethyl alcohol c2h5oh in 1000 g
problem- what is the freezing point in oc of a solution prepared by dissolving 660g of mgcl2 in 110 g of water the
problem- cyclopropane c3h6 is an anesthetic given by inhalation how many grams are in 021mole of cyclopropanewrite
problem- a deep-sea diver uses a gas cylinder with a volume of 100 land a content of 522g of o2 and 316g of hecalculate
problem- what are the differences between tryptohan and arginine in reference to mutation in pku at position 408thank
problem- which of the following isare correct postulates of bohrs theory of the hydrogen atom provide written
problem- suppose that the microwave radiation has a wavelength of 12cmcm how many photons are required to heat 305ml
problem- a 05063g sample of a mixture of sodium and potassium carbonates required 4184 ml of a 02023 m hcl solution to
problem- what concentration of naphthalene in grams per liter would be needed to give an absorbance of 10 at 220nmi am
problem- a solution is prepared by dissolving 065mol nano2 and 045mol hno2 ka 40 x 10-4 in 10l if 020mol koh is added
problem- 300 g of a polymer is dissolved in an organic solvent the volume of the solution is 150ml and an osmotic