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a 5000 ml solution of 00350 m hypochlorous acid ka 35 x 10-5 is titrated with a 00105 m solution of naoh as the
sodium fluoride is used in many types of toothpaste to give them basic ph sodium ions do not affect the ph of the
calculate the molar concentration of each ion na and po4 3- in a aqueous na3po4 solution when 20 g of na3po4 is
a solution is prepared by dissolving 150 g of pbno32 in a small amount of water and diluting to a total volume of 25000
a naoh solution was standardized by titration with a sample of potassium hydrogen phthalate khc8h4o4 molar mass 2042
1 which of the following languages is more suited to a structured programapl1bfortrancbasicdpascalenone of the above2 a
q1 you are given an unsorted list containing integer values with duplicates describe a most efficient algorithm to
why is oxygen on the periodic table o isnt oxygen
acetic acid can be prepared by heating methyl cyanide withadi naoh solution b hcl solutioncsodium and alchol
the question is how many electrons in an atom can have the quantum numbers n 4 and l 1the other question was when
1 how are the aldehyde functional group and the carboxylic acid functional group similar how are they different 2 how
the method of concentrating the ore which makes use of the difference in density between ore and impurities is
the formula c6h5-co-ch3nbsprepresentsaacetonebacetic acidcacetophenonedphenyl
for the reactionnog 12 o2g rarr no2gdeltahdegrxn is -11414 kjmol calculate deltahdegf of gaseous nitrogen monoxide
in an experiment to calculate he enthalpy change of combustion of a fuel 15g 00326 mol of the fuel was used to heat
why is the solubility of oxygen lower in water give me
what is meant by partial pressure of a gas in
considering the limiting reactant what is the volume of no gas produced from 600 l of ammonia gas and 500 l of oxygen
benzoic acid c6h5cooh is a weak acid with ka 646 amptimes 10-5 if 4000ml of 0100 m benzoic acid were mixed with 1000ml
when 400 moles of lithium react with excess oxygen the theoretical yield of lithium oxide is 59764 g the reaction is
potassium hydrogen phthalate khc8h4o4 molar mass 2042 gmol is frequently used to standardize solutions of naoh the
balance equation for aluminum acetate and ammonium phosphate if there is 12579 g of aluminum acetate and 10326 g of
1 dichromate and ferrous ions react in acidic solution to form chromic and ferric ions respectively if 1285 grams of
white phosphorus p consist of p4 molecules it spontaneously ignites on contact with air if there are 0350 mole of p4
if 3333 grams of oxygen are used what is the theoretical yield if 555 grams of carbon dioxide are formed what is the