While chant is meant to be sung without accompaniment, it can be helpful in using a piano to initially find the note pitches. Once the chant is learned, accompaniment becomes unnecessary.
Use the piano white keys.
1. A note on the line marked by the Do clef is a C. Use the white keys to determine the notes above and below.
2. A note on the line marked by the Fa clef is an F. Use the white keys to determine the notes above and below.
A keyboard has been embedded below for convenience.