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Calculate the concentration of IO3 in a 7.56 mM Pb(NO3)2 solution saturated with Pb(IO3)2. The Ksp of Pb(IO3)2 is 2.5x10^-13. assume that Pb(IO3)2 is a negligible source of Pb compared to Pb(NO3)2.
A different solution contains dissolved Na(IO3). what is the concentration of NaIO3 if adding excess Pb(IO3)2(s) produces Pb=1.7x10^-6M
a liquor of 20.00 ml a of 0.120 m cu solution is titrated with a 0.100 m solution of ce4 according to the given
Choose the correct expression for Keq and description (homogeneous or heterogeneous) for the following reaction: Sn2+(aq) + H2(g)---> Sn(s) + 2 H+(aq)
an aqueous solution of a certain organic compound hasnbsp an osmotic pressure of 12.16 atm at 250c a density
Caffeine is made up of 49.5% C, 5.2% H, 16.5%O, and 28.9% N. A solution made up of 8.25g of caffeine and 100.0 of benzene (d=0.887g/ml) freezes at 3.03C. Pure benzene (kf=5.10 degrees C/m) freezes at 5.50C.
How much heat is required to warm 1.20 L of water from 20.0 degrees C to 100.0 degrees C ? (Assume a density of for the water.)
The density of air under ordinary conditions at 25 C is 1.19g/L. How many kilograms of air are in a room that measures 11.0ft x 11.0ft and has an 10.0ft ceiling. 1 in = 2.54 cm (exactly); 1L= 10^3 cm^3.
The carbon-14 in a living organism is constant until the organism dies, after which carbon-14 decayss with first order kinetics and a half life of 5730 years. Suppose a bone from an ancient human contains 19.5%of the C-14 found in living organisms..
Calculate ?Ssurr for each of the reactions above at 25°C and 1 atm b. Determine which elements are being oxidized and which elements are being reduced in each reaction.
What mass of ammonium chloride should be added to 2.45L of a 0.145M NH3 in order to obtain a buffer with a pH of 9.45
what is the [OH-] concentration of a solution that is 0.225 M in Na2CrO4(i.e., the sodium salt of chromic acid)
Calculate the mean molecular weight (kg/kmol) of the fuel c) Evaluate the air-fuel ratio on a mass basis.
If 750 grams of ammonia and 750 grams of oxygen gas were mixed, what maximum mass of nitrogen monoxide could be produced
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