Whats the answer

1. 30

2. 12

3. 6

4. 18

need answer fast plz and the answer is not 30 idk what it is

How many molecules are found in 1.32 mol of nacl?

Agas can holds 2.0 gal of gasoline. what is this quantity in cubic centimeters?

Sodium nitrite (nano2) reacted with 2−iodooctane to give a mixture of two constitutionally isomeric compounds of molecular formula c8h17no2 in a combined yield of 88%. draw reasonable structures for these two isomers. click the "draw structure" button to launch the drawing utility. place the two compounds in the appropriate boxes below.