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Explain which of the subsequent reagents would work best to separate Ba(2+) and Ca(2+) from a solution that is 0.050 M in each ion? Explain.(a) 0.10 M NaCl (b) 0.05 M Na2SO4 (c) 0.001 M NaOH (d) 0.50 M Na2CO3
Write the complete ionic equation for each reaction that produced a precipitate? Write the net ionic equation for each reaction that produced a precipitate?
find the volume of oxygen gas required to react completely with iron.1.calculate the volume of oxygen gas at stp that
Determine whether a bond between each of the following pairs of atoms would be pure covalent, polar covalent, or ironic.
In the laboratory you are asked to make a 0.648 m cobalt (II) bromide solution using 350 grams of water. How many grams of cobalt (II)
A 82.2 g sample of dinitrogen monoxide is confined in a 3.2 L vessel. What is the pressure (in atm) at 115°C?
replacement compounds for the Freons have gone into production: HFC-134a (chemical formula: CH 2 FCF 3 ) and HCFC-124 (formula:CHClFCF 3 ) In 1991. Determine the molar masses of these two compounds
Assume that 100.0 mL of 0.200 M of CsOH and 50.0 mL of 0.400 M HCl are mixed in a calorimeter. The solutions start out at 22.50 degrees celcius, and the final temperature after reaction is 24.28 degrees celcius.
When 228.4 mg of pure X was burned 627.4 mg of CO2 and 171.2 mg of H2O were obtained. Determine the simplest formula of the compound X.
A 0.050 M H2S solution contains 0.29 M NiCl2 and 0.35 M Hg(NO3)2. What pH is required to precipitate the maximum amount of HgS but none of the NiS
CCl4 lowered the freezing point of the solvent by 5.40 K . Calculate the molar mass of the compound.
Draw the splitting pattern of the following substructures assuming that the vicinal hydrogen atoms have different chemical shifts.
A 1.15 g sample of water is injected into an evacuated 5 L flask at 65 C. What will the mass of water vapor be when the system reaches equilibrium
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