Chemistry Answers

Determine the concentration (in mol / L) of a solution formed from 6.34 g of iron (III) borate and 150 ml of water.

Calculate the mass of solute in 400 ml of a 25.0% silver ion solution.

A window cleaner solution is prepared by diluting an ammonia solution with an initial concentration of 5.0 mol / L. Calculate the final concentration when 200 ml of ammonia is diluted until you obtain 3.75 L.

Calculate the volume of a solution that contains 0.50 g of PCB, given a 0.15 ppm solution.

 Acids (H+) reacts with metal hydroxides (-OH-) to form

mass of atom A is 3.58*10-25 Kg. what is the relative atomic mass of A?

if 1.435 g of silver chloride has been formed what is the mass agno3 combined

The solubility product of lithium phosphate (Li₃PO₄) is 3.2 × 10^-9 at 25° C. What is the molar concentration of Li⁺ ions in mol/L in an equilibrium mixture of lithium phosphate at 25° C?

When 0.85mol of zinc nitrate react with 0.254mol of sodium phosphate insoluble zinc phosphate forms. Which is the limiting reactant and which is the reactant in excess?

Calculate the value of the ion product of PbCl₂ (K_sp = 1.6 ×10^-5) when 255 mL of 0.016 M KCl (aq) are added to 245 mL of 0.175M Pb(NO₃)₂.