Percent Composition in Solutions Quiz

What is the percentage of carbon in ethane (C2H6)?

What is the percentage of oxygen in CaCO3?

What is the empirical formula for a chemical compound with 0.556 g C and 0.0933 g H?

A compound contains 0.90 g Ca and 1.60 g Cl, what is its empirical formula?

What is the empirical formula of a compound containing 68.12 g C, 13.73 g H, and 18.15 g O?

What is the molarity of a solution prepared by dissolving 9.8 moles of solid NaOH in enough water to make 3.62 L of solution?

What is the molarity of a solution made by dissolving 152.5 g CuCl2 in water to make a final volume of 2.25 L?

What would part per trillion (ppt) equal to?

What is the mass percentage of solute in a solution containing 13.5 g of glucose in 100 g of water?

What is the mass percentage of NaCl in a solution containing 1.50 g of NaCl in 50.0 g of water?

What is the concentration of Zn2+ in ppm if a 2.5-g sample of groundwater was found to contain 5.4 µg of Zn2+?