Chemistry Calculations and Empirical Formulas Quiz

Calculate the molar mass of carbon dioxide (CO2).

Calculate the molar mass of sulfuric acid (H2SO4).

Determine the molar mass of glucose (C6H12O6).

Find the molar mass of sodium chloride (NaCl).

How many moles of CaSO4 are there in 5.87 g of CaSO4?

How many moles of potassium chromate are there in 14.5 g of potassium chromate?

How many moles of AuAsO4 are there in 156.8 g of AuAsO4?

A scientist weighed out 14.6 μg of sodium chloride and put it in a beaker of water for a final volume of 200 mL. How many grams per liter is this?

A chemist measured the amount of energy released from a chemical reaction. They found that this particular reaction released 340,000 Joules (J) of energy per mole (mol) of reactant. How much is this in kilojoules per nanomole.

Ashley, a lab biologist, mixes 5 grams of glucose into 200 mL of water. If she then removed 17 mL of water from the mixture, how many grams of glucose would be in that 17 mL of water?