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18,139 solutions

Q. A sample of gas has a mass of 0.555 g. Its volume is 117 mL at 85°C and a pressure of 753 mmHg. Find the molar mass of the gas.

Solved • Jan 29, 2018

Q. Accor ding to the following reaction, how much energy is evolved during the reaction of 32.5 g B2H6 and72.5 g Cl2?

Solved • Jan 26, 2018

Q. What is % by mass of CdSO4 ina 1.0 molal aqueous solution?

Solved • Jan 26, 2018

Q. 1.26g per 100g of the mix

Solved • Jan 25, 2018

Q. A solution is prepared by dissolving 17.2 g of ethylene glycol (C2H6O2) in 0.500 kg of water. The final volume of the solution is 515 mL. For this solution, calculate: (a) molarity (b) molality

Solved • Jan 25, 2018

Q. When lithium iodide (LiI) is dissolved in water, the solution becomes hotter. a) Is the dissolution of lithium iodide endothermic or exothermic? b) Sketch an energy diagram for the dissolution of LiI.

Solved • Jan 24, 2018

Q. what is dielectric constant and how does it affect solubility?

Solved • Jan 25, 2018