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10.0ml of 0.10M Pb(NO3)2 is mixed with 10.0ml NaCl. After equilibrium is attained, it is determined that the concentration of Cl- in solution is 0.0218M. Calculate the Ksp of PbCl2.
what is the molarity of a solution of silver perchlorate agclo4 if 3.2 moles of silver perchlorate is dissolved in 1.5
A 0.2436 gram sample of an unknown substance was dissolved in 20.0 mL of cyclohexane. The density of cyclohexane is 0.779 g/mL. The freezing-point depression was 2.5 degrees Celsius. Calculate the molar mass of the unknown substance.
The ratio of effusion of an unknown gas is measured to be 24.0ml/min. Under the same conditions, the rate of effusion of pure methane gas is 47.8ml/min. What is the unknown gas?
a 0.5118 gram sample of caco3 is dissolved in 6 moles of hcl and the resulting solution is diluted to 250.0 ml in a
How can you tell that Cobalt(II) iodide is a binary ionic compound formed by a transition metal with more than one ionic charge?
A bottle of concentrated aqueous sulfuric acid is labeled 98.0% (wt/wt) H2SO4 and has a concentration of 18.0 F H2SO4. a. What volume, in mL, of the reagent should be diluted to give 1.00 L of 1.00 F H2SO4
A gas mixture is made by combining 8.0g each of Ar, Ne, and an unknown diatomic gas. At STP, the mixture occupies a volume of 18.08L. What is the molar mass of the unknown gas
Heating any of the three isomeric dimethylbenzenes with HF in the presence of BF3 to 80 C leads to the equilibrium mixture shown below: 1,2-Dimethylbenzene: 18% , 1,3-Dimethylbenzene: 58% , 1,4-Dimethylbenzene: 24%
A solution contains 1.35 g of Ca(OH)2 in 875 mL of solution. Find the normality of the solution.
If the reaction of 0.650 g of rhodium(III) sulfate with excess sodium hydroxide produces 0.320 g of rhodium(III) hydroxide, what is the percent yield
you have a bleach solution of 1904.3 grams. determine how many grams of naocl are in the solution if the percent by
a chemistdissolves0.099g of cuso4 middot 5 h2o in water and dilutes the solution to the mark in a 500-ml volumetric
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