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A 1.724 M solution of a compound in water has a density of 1.281 g/mL at 20°C. The compound has a molar mass of 62.30 g/mol.
Which metal hydroxide will precipate first? Why? Ksp Ni(OH)2 = 6.0x10-16 Ksp Ce(OH)3 = 6.0x10-22 Ksp Cu(OH)2 = 4.8x10-20
Calculate the freezing point of an aqueous solution formed by dissolving 4.22 g of KCl in 25.00 mL of water. Kf for water is -1.86 degrees C/m. Assume the density of water
The first step of the fischer esterification involves protonation of the oxygen of the carboxylic acid by the acid catalyst:
Convert ethanol to 2-butanol using any series of reactions and inorganic reagents
what is the percent Zn in the mixture? (At the same temperature and pressure, the Mg/HCl reaction gave 24.2 L gas/mol Mg.)
A toothpaste contains 0.24 % by mass sodium fluoride, NaF and 0.30 % by mass of triclosan, C12H7Cl3O2. The mass of one tube of toothpaste is 119 g.
When a substance is heated it glows and emits a certain amount of radiant energy that corresponds to particular energies in the electromagnetic spectrum.
In the NMR there is a peak at: singlet(1 Hydrogen at 9.5), triplet( 2 hydrogens at 2.5), quintet(2 hydrogens at 2), quintet or sextet( not clear)(4 hydrogens at 1.3), and triplet ( 3 hydrogens at 1).
If atmospheric pressure suddenly changes from 1.00 atm to 0.898 atm at 298 K, how much oxygen will be released from 3.10 L of water in an unsealed container?
If the same volume of the buffer was 0.330 M in HF and 0.330 M in NaF, what mass of NaOH could be handled before the pH rises above 4.00?
carboxylic acids react with alcohols to form esters which are found in all plants and animals. what is the percent by mass of carbon in each of the following esters?
How many grams of CH4 is needed to produce 49.0 g CHCl3? CH4(g) + 3 Cl2(g)-> CHCl3(g) + 3 HCl(g)
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