How many molecules are in 7.90 moles of ch4?

1.31 x 10−23 molecules

7.62 x 1022 molecules

4.76 x 1024 molecules

2.30 x 1025 molecules

the answer is learned

each  column  of the  table  is called a group. elements in a group share similar properties. groups are  read  from  top  to  bottom. metal. metalloid. nonmetal. solid. liquid. gas. fe. hg. o.  2. 3. 4. 5. 6. 7. 8. 9.  2. beryllium. 9.012. 4.  sodium. 22.990.  11. 3.  magnesium. 24.305.  12.  potassium. 39.098.  19. 4.  calcium. 40.078.  20. i guess  i