Which Statement A-D Regarding the Terms Mole and Molar Mass

question 115

Multiple Choice

Which statement A-D regarding the terms mole and molar mass is not correct?

• A)A mole is defined as the number of particles in exactly 12 g of carbon-12.
• B)A mole of oxygen gas contains 6.022 10²³ molecules.
• C)Two moles of oxygen atoms can be obtained by decomposing one mole of carbon dioxide.
• D)To obtain the molar mass in grams (g/mol) from the atomic mass in atomic mass units(u), multiply by 6.022 10²³/mol and divide by 6.022 10²³ u/g.
• E)Statements A-D all are correct.

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