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How much concentrated hydrobromic acid solution (48.0% HBr by mass, d = 1.52 g/mL), in milliliters, is required to produce 10.0 L of 0.185 M HBr?
How many grams of KOH are required to neutralized 300ml of 5.0 N HN03 solution.
Using Le Chatelier's Principle to predict the effect of a change in conditions on a chemical equilibrium - Predict how the equilibrium of the following reactions will be affected by the changes listed.
An element has ccp packing with a face-centered cubic unit cell. Its density is 11.4 g/mL and the unit cell volume is 1.21 x 10-25 L. Calculate the molar mass (g/mol) of the element to three significant figures.
Calculate the number of moles of electrons needed to produce 5.12g of copper from the electrolysis of a solution of CuSO4.
Briefly explain why it was not necessary for you to determine the mass of unknown liquid that you transferred to the flask before heating.
A solution is prepared by mixing 250 mL of 1.00 M CH3COOH with 500 mL of 1.00 M NaCH3COO.
molal solution of NaCl is prepared. How many grams of NaCl are present in a sample containing
A three component solution is made by adding 0.300 moles of CH3CN and 0.400 moles of C3H6O to 0.350 moles of CS2. The mixture behaves as an ideal mixture. What is the vapor pressure of the solution?
the structure and names of five alkenes having the molecular formula C6H12 that produce hexane on catalytic hydrogenation
If the primary alcohol ethanol is subjected to sulfuric acid, an SN2 substitution would occur instead and diethyl ether would be formed.
Write out a wave function for a one dimensional free particle with constant probability of finding the particle at amynpoint in one dimension
Calculate the molar mass of a gas that has a density of 143 g/mL at 23 degrees celcius and a pressue
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