2. A method used to prevent rusting in ships and underground pipelines involves connecting the iron to a block of a more active metal such as magnesium. This method is called cathodic protection. How many moles of magnesium are present in 1 billion (1 x 109) atoms of magnesium

  How to Calculate Moles of Magnesium Step 1: Understand the Problem To prevent rusting in ships and underground pipelines, a method called cathodic protection is used. This method involves connecting iron to a block of a more active metal, Read More …

1. Aspirin is a compound that contains carbon, hydrogen and oxygen. It is used as a painkiller. An aspirin tablet contains 1.25 x 1030 molecules. How many moles of this compound are present in the tablet?

  How to Calculate Moles of Aspirin in a Tablet Step 1: Understand the Problem Aspirin is a compound used as a painkiller, and we want to find out how many moles of aspirin molecules are present in a tablet. Read More …