How many grams of carbon dioxide are produced from the combustion of 10g of butane?

How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate

A4.86 g piece of metal was placed in a graduated cylinder containing 15.5 ml of water. the water level rose to 17.3 ml. what is the density of the metal. i need the steps of how to solve it to so i can use a formula to work out other problems.

If you are told to get 100 ml of stock solution to use to prepare smaller size sample for an experiment, which piece of glassware would you use?