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Silver chromate is sparingly soluble in aqueous solutions. The Ksp of Ag2CrO4 is 1.12x10^-12. What is the solubility (mol/L) of silver chromate
(a) in 1.10 M potassium chromate aqueous solution?
(b) in 1.10 M silver nitrate aqueous solution?
The electron in the He+ ion is excited to the n = 2 principal state. What is the energy of the electron now
Calculate the molarity, Molarity of iron (III) chloride solution
Complete the following table with the correct formulas from the ions
Calculate the volume and mass required to make 0.1m solutions of your assigned acid (HNO3) and conjugate base
Draw the Lewis dot structure of CNNO2 along with all possible resonance structures, labeling formal charges.
A cube has a volume of 8.0cm (to the 3rd power) and a mass of 21.6 grams. The density of the cube, in grams per cubic centimeter, is best expressed as
A 55 mL sample of 0.15M Ca(OH)2 is neutralized by 47.2 mL of HBR. What is the molarity of the acid?
Calculate ?H for the reaction 2C(s) + H2(g) ? C2H2(g) given the following reactions and their respective enthalpy changes
A black precipitate remaining from the separation of Cr3+ and Fe2+ ions from Ni2+ ion is dissolved in HCl and HNO3. Some NH3 is added, followed by several drops of dimethylglyoxime.
Draw constitutional isomers of C5H8 that are terminal and internal. Name each molecule according to IUPAC.
Comparison of two different reduction methods. Hydride reducing agents such as sodium borohydride and Catalytic hydrogenation using hydrogenation and a transition metal catalyst.
Vitamin C (L-ascorbic acid; MW = 176.0 g/mol) is a weak acid (pKa = 4.863). Suppose a 500.0 mg tablet is dissolved in water and titrated with 0.100 M NaOH. How many mL of NaOH are required to reach the equivalence point?
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