3.x Conservation Of Mass (GCSE Chemistry)

If 2.8g of iron reacts completely with 1.6g of sulfur, how much iron sulfide is produced?

Iron combines completely with 32g of sulfur forming iron sulfide. If 56g of iron are used, what is the total mass of iron sulfide formed?

Magnesium reacts with chlorine to produce magnesium chloride. If 48g of magnesium reacts completely with 142g of chlorine, what will be the total mass of magnesium chloride produced?

When 12g of carbon reacts with 32g of oxygen to produce carbon dioxide, what is the mass of carbon dioxide produced?

What principle states that the total mass before a reaction equals the total mass afterward?

Sodium carbonate (106g) reacts fully with calcium chloride (111g) producing calcium carbonate and sodium chloride. What`s the total mass of products?

If calcium carbonate weighing 100g decomposes to produce calcium oxide and carbon dioxide, what is the combined mass of the two products?

If 5g of hydrogen reacts completely with 40g of chlorine, what mass of hydrogen chloride is formed?

Lithium (7g) reacts with water (18g). How much lithium hydroxide and hydrogen gas are produced in total?

If 28g nitrogen gas completely react with 6g hydrogen gas to form ammonia, what is the mass of ammonia produced?

Lead nitrate decomposes completely into lead oxide, nitrogen dioxide and oxygen. If the mass of lead nitrate is 33.1g, what will be the combined mass of the products?