What is the frequency for C major chord?

The notes in a C major chord are C, E, and G. The frequencies of these notes are as follows:

- C4: 261.63 Hz

- E4: 329.63 Hz

- G4: 392.00 Hz

Therefore, the frequency for the C major chord is 261.63 Hz, 329.63 Hz, and 392.00 Hz.