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Problem- Calculate the number of moles of magnesium, chlorine, and oxygen atoms in 6.40moles of magnesium perchlorate, Mg(ClO 4 ) 2
Please show all work. Thank you in advance
What is the pH during the titration of 25.00mL of 0.10M HAc(aq) using .10M NaOH(aq) as the titrant, after the addition of 10.0, 25.0, and 30.0ml of titrant.
The vapor pressure of the benzene is 92.00 torr at this temperature; The vapor pressure of the solute is negligible. What is the vapor pressure of the solution?
How much HCl must be added to a liter of buffer that is 1.5 M in acetic acid and 0.75 M in sodium acetate
Calculate the grams of solute needed to prepare each of the following solution. 5.5L of a 0.60M KCI solution.
you need 30microgramsml of kanamycin in 1 liter of lb culture. you have a kanamycin stock of 100mgsml. how much kan do
Explain why the carbonyl group (c=o) group of methyl benzoate is a m-directing group. Would you expect methyl benzoate to undergo EAS reactions such as nitration faster of slower than benzene. Why
A 27.21 g sample of a substance is initially at 25.4°C. After absorbing 2591 J of heat the temperature of the substance is 199.8 °C. Explain what is the specific heat (c) of the substance
4.6102nbspml of 0.028 m agno3nbspand6.2102nbspml of 0.018 m na2co3nbsparemixed together. ksp for silver carbonate is
A Vessel of of volume 22.4 L contains 2.0 mol H2 and 1.0 mol N2 at 273.15 K initially. All the H2 reacted with sufficient N2 to form NH3. Calculate the partial pressures and the total pressure of the final mixture.
An electron spin can adopt either of two orientations in a magnetic field, and its energies are ±?BB, where ?B is the Bohr magneton. Deduce an expression for the partition function and mean energy of the electron and sketch the variation of the fu..
A certain weak base has a Kb of 7.40 x 10^-7. What concentration of this base will produce a pH of 10.06
if a bottle of nail polish remover contains 172 of acetonehow much heat would be released by its complete combustion?
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