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urea nh2conh2 is manufactured from ammonia as well as carbon dioxide according to the following equation2 nh3 g co2 g
a 200ml sample of 020 m sodium acetate is titrated with 011 mhcl aq explain what is the ph after the addition of 500ml
explain what color change is exhibited by phenolphthalein during a titration of aqueous acetic acid with aqueous sodium
an aqueous solution of 043 m weak acid hx has a ph of 392 explain what is the ph of the solution if 021 m of kx is
explain what mass of solid kf molar mass 581 gmol must be added to 20 l of 025 m hf to make a buffer with a ph of 314
is this equation to determine ph of an acid-base solution specific to certain situations or can it be used as an
explain a mechanism using sia 2bh followed by ch3cooh as the reagents summary of alkyne reaction mechanisms explain
to compute the mass of aluminum necessary for the reaction we first must find the moles of iron ii oxide the molar mass
a 2688-g sample of a monoprotic acid neutralizes 164ml of 08133m koh solution compute the molar mass of the
136 grams of pure anhydrous sodium carbonate was dissolved in distilled water and made up to 2500ml 2000ml of this
1 5000ml of 010 m hno2 nitrous acid was titrated with 010 m koh solution after 2500ml of koh solution was added explain
2ch3oh 3o2 to 2co2 4h2ospecific heat -726kjhow many kilojoules are released when 750g methanol is
compute the molarity of an acetic acid solution if 3457 ml of these solutions are needed to neutralize 2519 ml of
find out the ph of a solution that results from mixing 100 ml of 010 m acetic acid with 75 ml of 008 m
compute the energy of a photon from an fm radio station at a frequency of 1012 mhz respond in 4 sig
a 500ml sample of vinegar is titrated with 0774 m naohaq if the titration requires 416ml of naoh aq explain what is the
a 200ml sample of 020 m sodium acetate is titrated with 011 m hclaq explain what is the ph after the addition of 500ml
explain which one of the subsequent conditions is always true for a titration of a weak acid with a strong baseaa
explain which one of the following conditions is always met at the equivalence point of the titration of amonoprotic
what is the molecular formula of a compound of empirical formula ch that diffuses 124 times slowly than krypton at the
what is the ph of a buffer solution that is 034 m in na2hpo4and 046 m in kh2po4 ka1 71e-3 ka2 63e-8 and ka3 45e-13
when an additional mol of gas is added at constant temperature and volume to a flask containing 200 mol of gas at 25oc
summarizes all the alkynes mechanismsreactions in detail explain the detailed mechanisms
there is a certain compound that is made up of barium as well as one of the halogens a 0158 gram sample of this
carborundun sic is usually used as an abrasive in grinding wheels it is prepared by the reaction of sand sio2 with the