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An igneous rock that cools rapidly is made out of really small mineral crystals.
Formula Calcium chroride:

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Answer:
2.6166 moles
Explanation:
stp means: T=273k p=101.3kpa
R= 8.31(constant) v=58.6
using the ideal gas law; pv=nRt
101.3 x 58.6 = n x 8.31 x 273
n= (101.3 x 58.6)\(8.31 x 273)
n= 2.6166moles