2 Chronicles 5:10

There was nothing in the ark except the two tablets that Moses had placed in it at Horeb, where the Lord had made a covenant with the Israelites after they had come out of Egypt.

Note That is, Mount Sinai, or possibly a mountain in the range containing Mount Sinai

BSB · Berean Standard Bible
There was nothing in the ark save the two tables which Moses put therein at Horeb, when the Lord made a covenant with the children of Israel, when they came out of Egypt.

Note when the LORD: or, where, etc

KJV · King James Version
There was nothing in the ark except the two tablets which Moses put there at Horeb, when the Lord made a covenant with the children of Israel, when they came out of Egypt.
WEB · World English Bible
There was nothing in the ark save the two tables which Moses put there at Horeb, when Jehovah made a covenant with the children of Israel, when they came out of Egypt.
ASV · American Standard Version

Related passages

From the Treasury of Scripture Knowledge, grouped by the word they explain.

save
2 Chronicles 6:11; Exodus 31:18; Exodus 32:15, 16, 19; Exodus 34:1; Exodus 40:20; Deuteronomy 10:2–5; Hebrews 9:4
when
or, where. the Lord.
Exodus 19:5; Exodus 24:7, 8; Deuteronomy 29:1, 10–14; Jeremiah 31:31–34; Hebrews 8:6–13