Question
(H6) How many oxygen atoms are in 9.0 g of water? Use: H = 1, O = 16; N_A = 6.02 × 10²³.
[Higher tier — 3 marks]
3 marks · take your time before peeking.
Sign up to try the next 30 problems
Save your streak, mark answers against the spec, and build a daily revision habit. Free during public beta — no card, no auto-renew.
Generated by TopMyGrade AI · cross-check official sources before relying on the mark-scheme phrasing.