The atomic mass of potassium is 39.1. what is the mass of 6.02 × 1023 atoms of potassium? a. 39.1 mg b. 39.1 g c. 39.1 kg d. 6.02 × 39.1 mg e. 6.02 × 39.1 g

You are performing an experiment in a lab to attempt a new method of producing pure elements from compounds. the only problem is that you do not know what element will form. by your previous calculations you know that you will have 6.3 moles of product. when it is complete, you weigh it and determine you have 604.4 grams. what element have you produced?

You have 125g of a certain seasoning and are told that it contains 76.0 g of salt what is the percentage of salt by mass in this seasoning

Stage in which a typical star has completely stopped fusion