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Calculate the molality of commercial HCl solution which is 12.1Molarity, and has a density of 1.19g/mL, and is 37.2wt.%HCl.
Tell which of the following compounds is likely to have a dipole moment, and show the direction of each. (a) SF6 (b) H2C=CH2 (c) CHCl3 (d) CH2Cl2
Permanent antifreeze contains ethylene glycol dissolved in water. What is the mass of ethylene glycol dissolved in 5.00 kg of a 40.0% solution
How many grams of hydrochloric acid are in 500.0 mL of a 5.000 M solution? 1. 36.50 g 2. 54.75 g 3. 73.01 g 4. 91.25 g
Calculate the freezing point depression of a solution containing 0.20% wt/v glucose (mol wt of 180) and 0.5% NaCl
In each part, two solutions are mixed together. If a reaction occurs, write the balanced chemical equation and the net ionic equation for the reaction.
A room temperature aqueous solution is 0.10 M in zinc acetate, 0.50 M in strontium acetate and 15.2 M in nickel (II) acetate. At what concentration of carbonate
in a reaction 8200 g of sodium reacts with 74.00 g of ferric oxide to form sodium oxide and iron metal. calculate the
How much heat is required to vaporize 25.5 g of water at 100 C? The heat of vaporization of water at 100 C is 40.7 rm kJ/mole.
At constant temperature and volume, 3.8?10-3 mol of helium is added to a 1.0 L sample of xenon at 0.081 atm and 325 K. What is the total pressure of the gas mixture
Which of the following types of crystalline solids is malleable, ductile, and a conductor of electricity
The molar heat of combustion of CH4 is 882 kJ/mole. How many kJ of Heat are produced when 675g of CH4 are combusted
A chemistry student needs 60.00 mL of chloroform for an experiment. By consulting the CRC Handbook of Chemistry and Physics, the student discovers that the density of chloroform is 1.48 g x cm^-3.
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