Please give me some questions to find out the no. of atoms

1.	Please give me some questions to find out the no. of atoms
Answer» Anything that have mass and occupies space is called matter . matter can be classified into 2 ways1: physical classification of matter2: chemical classification of matter<br>How many Mg atoms are in 5.7892 mol of Mg(NO3)2?How many N atoms does the sample contain?How many O atoms does the sample contain?<br>What is matter

Discussion