Question

What is the name of 3Mno2

Answer 1

Hey mate!

Here's your answer!

The name of MnO2 is Manganese oxide. The 3 in the front represents the number of moles. It doesn't have any connection with the name of the compound. Hence, the given compound is 3 moles of Manganese oxide.

Hope it helps :)

Answer 2

The name of 3Mno2 is magnesium oxide.
3 is the no. of molecules.