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A 0.235g sample of a solid is 92.5% NaOH and 7.5% Ca(OH)2, by mass requires 45.6mL of a HCl solution for its titration. What is HCl molarity?
a 10 ml sample of a solution of pbclo32 was diluted with water to 170 ml. a 100 ml sample of the dilute solution was
Can you please tell me how to determine the electronic states (terms) that arise for Mo, if the ground electronic configuration is given by 5s1 4d5
Write a Lewis structure for each of the following molecules.
Consider an insulated system containing 500g of water at 25C. Adding 200.g of ice at -10C will result in equilibrium conditions with how many grams of ice at 0C?
Based on the solubility rules, which of the following will occur if solutions of CuSO4(aq) and BaCl2(aq) are mixed. A) CuCl2 will precipitate; Ba2+ and SO42- are spectator ions.
The heat of vaporization of diethyl ether (CH3CH2OCH2CH3) is 26.0 kJ/mol and its vapor pressure at 18 Celcius is 401 torr. What is the normal boiling point of diethyl ether?
Question- I found that an idea gas at 40 degree Celcius would exert 24.96 mmHg pressure. How can you compare this with vapor pressure of water at the same temperature. What is the reason why the two numbers would be different
Calculate the wavelength in nm: a) a muon (a subatomic particle with a mass of 1.884 x 10^-25 g) traveling at 345 m/s b) an electron (me = 9.10939 x 10^-28 g) moving at 3.80 x 10^6 m/s in an electron microscope
A 10.0 mL sample of household ammonia solution required 18.15 mL of 0.320 M HCI to reach neutralization. Calculate(a) the molar concentration of the ammonia and (b) the mass/mass % concentration of ammonia (17.04g/mol). given a solution density of..
what is the hydrogen ion concentration of this solution? What volume of .250 M KCl will completely react with 50.0 mL OF .115 m Pb(NO3)2?
if the height of the mercury column in the leveling bulb is 20 mm greater than that in the gas buret and the atmospheric pressure is 650 mm, what is the pressure of the gas trapped in the buret?
What is the OH- in a solution that has a pH of 4.92? Give your answer to 3 significant figures using E-notation (i.e., 1 number before and 2 after the decimal point)
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