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a how many milliliters of a stock solution of 108 m hno3 would you have to use to prepare 0500 l of 0410 hno3 unit of
inspect the table of polyatomic ions and determine what happens to the charge on the polyatomic ion phosphate when an h
draw lewis structures for the following molecules and label each with the appropriate geometry co nh3 hno3 h2o2 o3 c2h2
an unknown concentration of tap water is transferred to a 100 ml volumetric flask and diluted with di water to 100ml
you have a solution of a buffer with 10 mmoles of the buffer initially the solution has a ph of 68 you add 100 mm koh
i have a stock solution of fe at 5024ppm i transfer 1ml to a volumetric flask and dilute with di water to 100ml how
cyclopropane c3h6 is converted to its isomer propylene ch2chch3 when heated the rate law is first order in cyclopropane
suppose a reaction mixture when diluted with water afforded 300ml of an aqueous solution of 30 g of the reaction
why is it necessary to remove the stopper from a reparatory funnel when liquid is being drained from it through the
if the volume of the reaction vessel in part b was 150 what amount of in moles was formed during the first 150 of the
what is the volume of the solution that would result by diluting 8000 of 917times10-2 to a concentration of
a student placed 160 g of glucose c6h12o6 in a volumetric flask added enough water to dissolve the glucose by swirling
which one of the following alcohols undergoes dehydration at the fastest rate on being heated with sulfuric acid1 1
if a 781 ml of a solution of oxalic acid 838x1022 carbon atomswhat is the concentration of h2c2o4 in the
assume 10 mole of each of the following solutes is dissolved in water and that each solution has a constant
a quantity of gas originally held at 475 atm pressure in a 100 l container at 26 celsius is transferred to a 120 l
1 consider treating 10 mols caoh2s with 10 l of 10 m hcl how must resultant system-ph and solubilitys of caoh2 compare
a the nitric oxide molecule no readily loses one electron to form the no ion why is this consistent with the electronic
how is unreacted t-pentyl alcohol removed in this experiment look up the solubility of the alcohol and alkyl halide
how does the 1943 stockpile explosion make you feel about the complexity of chemistry in the real world does it make
if 10 grams of citral c10h16o are burned in excess oxygen what is the mass of water and the mass of carbon dioxide that
draw the product of the following reactions and indicate whether the product would be r s racemic or achiral you do not
you turn on a light bulb that emits only pure violet light 40000 nm you leave the light on for 600 seconds and 1000
pure iron fe can be produced from an ore called hermatite fe2o3 by reaction with carbon at high temperatures 2fe2o33c
you are given 10 g of a mixture feo and fe2o3 complete reduction of this mixture yields 746 calculate mass of pure fe