What is the pH of a 0.1 M acid solution?

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?

How many molecules are found in 1.32 mol of nacl?

Ineed to find the answer of this question because i dont understand it