2 Chronicles 30:22

that taught the good knowledge of the Lord R.V. that were well skilled in the service of the LORD.

and they did eat … seven days R.V. So they did eat … for the seven days, i.e. the usual seven days of unleavened bread.

pace offerings R.V. sacrifices of peace offerings; cp. 1 Chronicles 16:1.

making confession Or "giving thanks" R.V. mg. LXX. ἐξομολογούμενοι.