Answer:
• One mole of oxygen is equivalent to 16 grams.
→ But at STP, 22.4 dm³ are occupied by 1 mole.

Answer:
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Explanation:
Answer:
Calcium carbonate reacts with hydrochloric acid to form carbon dioxide gas. 2HCl (aq) + CaCO 3(s) CaCl 2 (aq) + CO 2(g) + H 2 O (l).
Answer:
Explanation: The molar mass and molecular weight of Cr2(SO3)3 is 344.182.
Three identical fatty acid tails, or three different fatty acid tails (with different lengths or patterns of double bonds).