Answer:
the energy required to do work
Answer:
m = 20.9 g.
Explanation:
Hello there!
In this case, according to the given information, it turns out possible for us to solve this problem by recalling both the Avogadro's number for the calculation of the moles in the given molecules of calcium phosphate and the molar mass of this compound in order to secondly calculate the mass as shown on the following setup:

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Answer:
I think A.
Explanation:I say A because of the substance melting the quicking does have the highest melting point because its the highest.