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the weight of nh42so4 that must be added to 250ml of 0300 m ammonia to make a buffer with a ph of 900 i am given the
a buffer solution is prepared by dissolving 0200 mol of nah2po4 and 0100 mol of naoh in enough water to make 100 l of
buffer chemistry question please help1 find the ph of a solution that is 012 m in nitrous acid and 015 m in sodium
a student dilutes a solution of 0100 mol of h3po4 and 0150 mol of naoh with water to a volume of 100 l but then
whats the name of h2co3 whats the name of h2co3
what do u mean by h what do u mean by h
write structures for the carbonyl electrophile and enolate nucleophile that react to give the aldol below you do not
a draw a rate of product formation graph using an acid phosphatase as an example and label each axisb the km of an
in a certain experiment 2952 ml of 121 m hi were added to 3500 ml of 0951 m koh in a simple coffee cup calorimeter
what makes water with electrolytes distinct from other forms of
how far below earths surface would you have to dig to experience an acceleration due to gravity of
consider a large number of hydrogen atoms with electron all initially in the n4
unit v research paperfor this assignment write about a hazardous materials incident or an environmental health and
1 draw mo energy diagram for hb2 draw correlation diagram for pi framework for 13-butadienech2ch-chch2 how many pairs
calculate the ph of a solution during titration when 1950 ml of 030 m naoh is added to 2000 ml of 031 m
what is the difference between nuclear fission and nuclear fusion what are the significances of them
a 1 m solution of both kh2po4 and k2hpo4 you want to make 100 ml a 50 mm potassium phosphate buffer with a ph pf 73
ammonium nitrate is the most commercially important chemical product containing the ammonium ionlist and describe at
a hydrogen atom electron is in the 6f state state the values of all quantum numbers associated with this state find the
when 222 g of a soluble ionic compound formula weight111 gmol are added to 10 kg of water kf186 cm the freezing point
given the following unbalanced chemical equation al cl2-gt alcl3 nbspbalance the equation nbsphow many moles of
a given that the molar mass of h2so4is 981 grams determine the number of grams of h2so4needed to prepare 02 l of a 05 m
platinum pt with a mass number of 188 and an atomic number of 78 decays by emission of an alpha particlenbsp identify
450 ml of 035 m naoh is neutralized by 25 ml of an hcl solution the molarity of the hcl solution is
the normal boiling pont for methyl hydrazine ch3n2h3 is 87 degrees c it has a vapor pressure of 370mm hg at 20 degrees