17. Which of the following represents 1 mol ?
(a) 100 g of calcium carbonate
(b) 23 g of sodium
(c) 18 g of water
(d) 11.2 L of a gas at StP
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Answer:
Answer is a, b, and c
Explanation:
Mass of CaCO3 is 100 g per mole
Mass of H2O is 18g per mole
Mass of Na is 23g per mole
In last option by applying ideal gas equation n not comes 1
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