What is the correct power adapter for a MacBook?

Please do not post your serial number in a public forum.

You can identify the MacBook and the power adapters it uses in the links below.

click here ➜ Identify your Mac power adapter - Apple Support

click here ➜ Identify your MacBook model - Apple Support

Your specific Mac uses a 60watt MagSafe power adapter.

Please read Identify your Mac power adapter - Apple Support.

The serial number is not necessary: "If you're not sure which model you have, learn how to identify your MacBook."