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a student examined several 1l volume samples of a 10-12 m solution explain what is the expected precision due to
a compound contains simply hydrogen carbon oxygen and nitrogen combustion of 0341 g of the compound produced 0533 g of
is the mass of a product obtained from commercial samples for all time less than the theoretical mass which is derived
a salt contains only magnesium as well as one of the halide ions a 00626-g sample of the salt was dissolved in water as
compute the molarity of naoh from a titration that contained 05156 g of khp and 2935ml of 01 m solution of naoh
balance the subsequent equations utilize the lowest possible whole number coefficients comprise states-of-matter under
myristic acid is an organic compound composed of 7363 c 1236 h and the rest oxygen if 0253 mol of maleic acid has a
a compound contains merely carbon nitrogen hydrogen and oxygen combustion of 0341 g of the compound produced 0533g of
00500 m of agn03 is utilized to titrate 2500ml containing 01000 m nacl and 005000 m kiexplain what the pag of the
imagine that you are given the mass spectra of these two compounds however the spectra are missing the compound names
the size of the transition metal atoms reduces slightly from left to right in the periodic table explain what factor
a membrane has pure water on one side of it as well as a protein solution on the other side the membrane has pores
compute the molarity and molality of a solution consisting of 156g of sodium chloride dissolved in 1000 ml of acetone
explain what is the concentration of acetic acid as well as acetate in a 0045m acetate buffer ph 52 the ka for acetic
1200g of an unknown solid is dissolved in 2000g benzene if the mixture freezes at 345 celsius determine the molar mass
explain the prostaglandin precursor arachidonic acid has the molecular formula c20h32o2 specified that arachidonic acid
an animal cell presume its normal volume when it is placed in a solution with a total electrolyte molarity of 03 m
explain which of the subsequent molecules would you expect to dissolve in water diethyl ether briefly define based on
compute the freezing point of a 14 m aqueous solution of ethylene qlycol the kf for water is 186 kkgmola -52 cb-26
a while 25ml of 010 moll hbraq is titrated with 010 moll naohaq explain what is the ph at the equivalence pointb choose
a platinum refinery generates a platinum ingot weighing 150 lb if the platinum is drawn into wire whose diameter is 650
find out the osmotic pressure of a solution that is 230 m in glucose and 150 m in nacl at 37 degrees celsius assume no