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In the making stock solutions from solids problem, make a 100 ml solution that is 1.0 M of the Cl- ion using NaCl and make a 100 mL solution that is 0.7 M of the Cl- ion using MgCl2. Also make a 250 ml of a solution that is 0.34M in sodium cation, using sodium sulfate decahydrate. And 500ml of a solution that is 0.25M in sulfate anion, using sodium sulfate decahydrate. Give details about the equipment used, which solutions you mixed together, and amounts of each.
If solutions of potassium carbonate, copper(II) chloride, and lead(II) nitrate are each added to a beaker, what is the net ionic equation for the precipitation reaction that occurs
Explain the total transformation of those steps by providing the total synthesis as first and the reagents that used during those steps.
Why is the meso-Stilbene dibromide much less soluble in all solvents than the dl-isomer from the bromination of cis-stilbene
CHM 426/526 - Propose a structure for this compound and Assign the 1H NMR and 13C NMR spectra for your proposed structure.
a sample of 5.00 g of methane occupies 14.5 dm3 at 310k. calculate a the work done when the gas expands isothermally
A common piece of laboratory glassware is a 125 mL beaker. What is this volume in the English system of units? [1 quart = 946. liter = 32 fl oz]
The expressions for the P-, Q-, and R-branches, assume that the moment of inertia of the molecule is the same in the excited vibrational states as in the ground state. Derive expressions for the positions of the lines without making these assumpti..
For hydrogen gas at 50.0 K, initially at 2.00 atm in a 1.00 L vessle and expanding into 2.00 liter vessel, calculate the final pressure, if
A weather balloon has a maximum volume of 7.50 × 103 L. The balloon contains 195 L of helium gas at a pressure of 0.993 atm. What will be the pressure when the balloon is at maximum volume?
Draw Fisher projections for the following: (a) (R)-2-chloropentane; (b) (2R,3S)-2,3-dichlorobutane; (c) (S)-2-Bromo-2-pentanol;
A Reaction has a rate constant of 1.22*10^-4 /s at 20 degrees Celsius and 0.227 /s at 75 degrees Celsius. 1. Determine the activation energy for the reaction (kJ/mol)
Question- You have a buffer solution composed of 4.50 mol of acid and 4.75 mol of the conjugate base. If the pKa of the acid is 4.40, what is the pH of the buffer
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