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Assume 846 mg of a pure diprotic acid, this means that the acid is capable of donating two hydrogen ions or protons was titrated with 12.32 mL of a 0.684 M potassium hydroxide solution. Define the molar mass of the acid and the balanced equation is-
H2X + 2KOH --> K2X + 2HOH
draw the orbital diagram for ru. follow both hunds rule and paulis exclusion
calculate the ph of each of these given solutions a 0.76 m koh bnbsp 0.0010 m hclcalculate the hydrogen ion
Sims Inc. earned $1.00 per share in 2000. Five years later, in 2005, it earned $2.00. What was the growth rate in Sims' earnings per share (EPS) over the 5-year period?
What is the mass in grams of CO2 that would be produced if 52.0 g of C5H8O4 were allowed to react completely in excess oxygen?
ammonia nh3 decomposes to hydrogen and nitrogen and 22.0 kcal mol of energy absorbed.2nh3g-------3h2g n2g delta heat
A piece of charcoal from a tree killed by the volcanic eruption that formed the crater in Crater Lake (in Oregon) gave 7.0 disintegrations of carbon-14 nuclei per minute per gram of total carbon.
A room of volume of 2 cubic meters is initially at 19 C and 101 kPa. A block of dry ice (solid carbon dioxide) is dropped into the room and then the room is sealed (air tight)
What will be the equilibrium concentration of HI and Cl2 in the container? The answer is: [HI] = 1.47x10^-12 M [Cl2] = 7.37x10^-13 M
Calculate the molality of the unknown compound (m). m=mol of solute X particles per formation / mass of solvent , kg Data given: Mass of test tube , flask, t-butyl alcohol and unknown
At 63.5C the vapor pressure ofH2O is 175 torr, and that of ethanol,C2H5OH, is 400 torr. A solution is madeby mixing equal masses of H2O andC2H5OH. What is the molality of ethanol in the solution
glucose c6h12o6 and ammonia nh3 are anaerobically convertedfermented by yeast ch1.74n0.2o0.45 to ethanol c2h5ohglycerol
A student makes a voltaic cell using zinc solid metal, zinc chloride, tin solid metal and tin chloride, and of course a salt bridge filled with KCl. What voltage would you expect from this cell at room temperature and 1M solutions
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