General Chemistry Answers

A solution containing 23.3

23.3 g of a molecular compound dissolved in 100.0 g of water has a boiling point of 101.5 °C. Calculate the molar mass of the compound. The 𝐾b for water is 0.512 °C/m.

What is the pH of a solution made up by diluting 1.53 mL of 12.0 M HCl to a total volume of 1.00 L?

A gas occupies a volume of 584 mL at a pressure of 770 mm of Hg.  When the pressure is changed, the volume becomes 603 mL  If the temperature stays constant, what is the new pressure in mm of Hg?

What is Micellar Electrokinetic chromatography technique

How many moles of carbon atoms are present in four moles of C₃H8?8

A gas system has an initial temperature of 318.1k with the volume unknown. When the temperature changes to 53.10k, the volume is found to be 1270mL. What was the initial volume in mL

• Sketch the block diagram of a double beam spectrophotometric showing its different components.

• Describe in details the quantitative spectrophotometric determination of a metal ion with a suitable example.

explain and summarize the information regarding Dietary fiber.. in terms of its physicochemical, structural and functional properties

A solution contains 0.25 g of sulfur dioxide in 1.00 dm3 of water. Which volume of sulfur dioxide, measured at 50 C and a pressure of 1  105Pa, must be added to 1.00 dm3 of water to produce this solution?