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If 24.88 mL of a 0.01229 M EDTA solution is required to titrate the Ca2+ and Mg2+ in a 30.00mL water sample. Explain what is the water hardness level in ppm? Explain the molecular weight of CaCO3 is 100.1 g/mole
Calculate the concentration of CrO4^2- in a solution that is 0.0375M in chromic acid and 0.150M HCL. (Chromic acid is H2CrO4, a diprotic acid, Ka1= 1.80x10^-1, Ka2=3.20x10^-7 & Kw=1.00x10^-14).
A solution is prepared my mixing 40 mL of pentane (C5H12, d = 0.63 g/mL) with 100 mL of hexane (C6H14, d = 0.66 g/mL). Assuming the volumes add upon mixing, Calculate-
A plot of ln [C] versus time is linear for the reaction C ® D. What is the kinetic order of the reaction. A) first B) one-half C) zero
If 23.7 grams of an aqueous solution of barium bromide, BaBr2, contains 6.00 grams of barium bromide, what is the percentage by mass of barium bromide in the solution?
A student studied the clock reaction described in this experiment. She set up Reaction Mixture 2 by mixing 20 mL of 0.010 M KI, 10 mL 0.001 M Na2S2O3, 10 mL 0.040 M KBrO3, and 10 mL 0.10 M HCl using the procedure given. It took about 45 seconds fo..
Naphthol with diethyl ether, 2-chloro-benzoic acid and then aqueous sodium bicarbonate? Will any substance not do anything
What volume (mL) of the solvent H2O should be added to 136 mL of the solute CH3OH to make a solution that is 1.12 parts per hundred by mass CH3OH. (in ML)
the atomic mass of copper is 63.546 amu the masses of the isotopes of the naturally occurring isotopes of copper are
a solution is prepared by mixing 66.7 g h2o with 33.3 g hoch2ch2oh ethylene glycol. what is the concentration of
a volume 10.0ml of a 0.00550 m solution of cl- ions are reacted with 0.500 m soultion of agno3. what is the maximum
a solution contains chromiumcr3 ion and magnesium mg2 ion. the addition of one litre of 1.55m sodium fluoride solution
Draw the three dimensional structure of both the endo and exo adduct formed from 1,3-cyclopentadiene and maleic anhydride.
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