Answer: The moles of melatonin are 0.000043
Explanation:
According to avogadro's law, 1 mole of every substance weighs equal to its molecular mass and contains avogadro's number 
of particles.
To calculate the moles, we use the equation:
Given mass of melatonin = 0.01 g
Molar mass of melatonin 
= 232.28 g/mol
Thus the moles of melatonin in 0.01 g are 0.000043
Answer:
Reactions occur when two or more molecules interact and the molecules change. Bonds between atoms are broken and created to form new molecules
C metamorphic rock
Why: because o know
Answer:
D.
Explanation:
Because The temperature of our hand could be hot and it could be melting the smoothie
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