Calculate the mass of one mole of (a) calcium atoms.
(b) oxygen molecules.

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Ineed to find the answer of this question because i dont understand it

Suppose you have designed a new thermometer called the x thermometer. on the x scale the boiling point of water is 129 ? x and the freezing point of water is 13 ? x. part a at what temperature are the readings on the fahrenheit and x thermometers the same?

Why is the structure of molecule important to its function?