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Question- You needs to prepare 230 ml of 0.41 M HI. You have a 6.7 M stock solution of hydroiodic acid. How many mL of the stock solution will you need?
Illustrate structures to prove your interpretation.
What is the concentration in mol/L of a solution with 8.52g MgCl2 dissolved in 150.0ml of solution. What is the concentration of Mg2+ and Cl- ions.
What are the identities of the three particles (including charges). Which particle should have the smallest atomic/ionic radius, which should have the largest and why
What is the mole fraction of water in this solution? What is the vapor pressure of the solution at 25 degrees Celsius, given the vapor pressure of pure water at 25 degrees Celsius is 23.8torr
The decomposition of N2O5 is a first-order reaction. At 25 C, it takes 5.2 hours for the concentration to drop from 0.140 M to 7.0×10^-2 M. How many hours does it take for the concentration to drop from 2.8×10^-2 M to 1.4×10^-2 M
Determine the pH at the equivalence (stoichiometric) point in the titration of 52.8 mL of 0.537 M HNO2 by 0.350 M LiOH. The Ka of HNO2 is 4.3 x 10-4.
Explain the crystal field splitting you would expect for the f-orbital in octahedal geometry, explain how could the splitting change if the octahedral complex lost a ligand to become a square pyramind,
for the gas phase reaction 2so2g o2g ordm 2so3g observed mole fractions for a certain equilibrium mixture at 1000 k
A solution is prepared by dissolving 43.7 g cesium chloride in 60.0 g water. The volume of the solution is 63.3 mL.
a variable-volume container filled with oxygen has a volume of 1.60 l at 1.00 atm and 25 degc. what will the volume of
a compound with a formula mass of 292.16 was dissolved in solventin a 5 ml volumentric flask and diluted to the mark. a
why was Mendeleev's decision to leave blank spaces on his table sometimes was referred to as his most significant contribution to the periodic table?
Question- How many grams of CaCl2 are needed to make 711.2 g of a solution that is 29.5% (m/m) calcium chloride in water. (Note that m/m has the same meaning as w/w.) How many grams of water are needed to make this solution
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