Would 0.85 grams float sink or remain suspended in tap water

2 answers

0.85 grams of what? Fe will sink. Cork it will float. I don't believe you copied the problem correctly.
It float according tooo myyyyyy calculations πŸ™€πŸ™€πŸ™€πŸ™€πŸ™€πŸ˜ΏπŸ˜ΏπŸ˜ΏπŸ˜ΏπŸ˜ΏπŸ˜ΏπŸ˜ΏπŸ™€πŸ™€πŸ™€πŸ™€πŸ™€πŸ™€πŸ™€πŸ˜ΊπŸ˜ΊπŸ˜ΊπŸ˜ΊπŸ˜ΊπŸ˜ΊπŸ˜Ί