General Chemistry Answers

How much table salt should be added to 300 g water to lower its freezing point to -2.00°C? 

Identify label the compound which is bronsted acid, base, and conjugate acid, conjugate base of H2CO3 + H2O _____H3O+ + HCO3–

What is the systematic name for Cu(CH₃CO₂)₂

A sample of benzoic acid solution in soda is 0.50% by mass. What is the benzoic acid is present in 150 g solution?

Is element 115 likely to be a metal or a nonmetal?

a. The diagram below shows an electrochemical cell:

i. Write schematic representation of the cell

(ii) A metal M forms two chlorides P and Q. On analysis, 2.00g of P was found to contain 0.69 g of M and 10.00 g of Q was found to contain 4.41 g of M.

Calculate the time for which a current of 0.65A be passed through molten magnesium chloride to get 5g of magnesium (given :Mm(Mg)=24.25gmol-^1

Find the mass of nonelectrolyte solute dissolved in 315 g water with boiling point temperature of 100.45 ⁰C. The molar mass of solute is 46 g/mole

                          Kb = 0.52 ⁰C/m  and Tb = 100 ⁰C (boiling point of pure solvent)

Compound asked has a molar mass of 102.17 g(mol)^-1 and the following composition