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a solution of glucose in water is labelled as 10 ww the density of solution is 120gm per ml calculate 1molarity
a compound composed of only carbon and hydrogen is 7743 hydrogen by mass propose a lewis structure for the
a sample of 0200 m solution of khc2o4 molar mass128 g is used to determine the concentration of an unknowna sample of
what is the minimum ph required to prevent the precipitation of sns in a solution that is 00010 m snno32 and saturated
what volumes of 200 m hcooh and 200 m naoh would make 300 ml of a buffer with the ph of one made from 475 ml of 200 m
how do you obtain the best possible yield for the adol condensation reaction between 2 benzaldehyde and acetone with a
one way to separate a mixture of stem cells and differentiated cells is to label the cell population with a specific
determine the percent by mass of all elements in the compound sodium carbonate decahydrate better known as washing
a compound with the molecular weight of 39198 was determined to be 31 hydrogen 315 phosphorous and 654 oxygen determine
what is semiconservative replication and how were researchers able to show it is involved in prokaryotic
a compound with the molecular weight of 39198 was determined to be 31 hydrogen 315 phosphorous and 654 oxygen
write the complete balanced molecular ionic and net ionic equations for the reaction of potassium phosphate aluminum
calculate the concentrations of species in solution and the ph when 01 moles of feso4 are placed in 1 l h2o at t25 deg
100 mole of an ideal gas cvm1247 j mol-1 k-1 is initially at 300 k and in 10 l and is expanded to 20 l in two different
predict all possible products formed via free radical monochlorination of 3-methylpentane calculate the relative
calculate the ph of a solution resulting from the titration of 50ml of 0078m hcl with 25 ml of 0083m naoh give your
calculate the ph of a buffer solution made by mixing 342 g of sodium acetate into 1 l of a 009 m solution of acetic
a solution of a weak acid was tested with the indicators used in this experiment the colors observed were violet orange
calculate the ph of a buffer solution made by mixing 44 ml of a 006 m ammonia solution with 60 ml of a 010 m ammonium
decide whether or not a reavtion will occur when a solution of cadmium ii chloride is treated with nitric acid hno3aq
decide whether or not a reaction will occur when a solution of cadmium ii chloride is treated with nitric acid hno3 aq
state whether the following reactions are spontaneous or non spontaneous at low temperature high temperature or all
gaseous oxides of nitrogen rarely occur as pure substanced but as equilibrium mixtures of them one of these equilibrium
a sample of a radioactive substance used in detecting skin cancer produced 592 counts in one minute at the beginning of
gas chromatographic analysis of a mixture of organic compounds gc-fid gave the following results hexane 27 heptane 16