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Bas_tet [7]
2 years ago
11

A thermos bottle uses a ______ to keep heat in the thermos

Chemistry
1 answer:
attashe74 [19]2 years ago
4 0

Answer:

a thermos bottle uses a vacuum to keep heat in the thermos.

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How many grams are in 2.3 x 10^-4 moles of Ca3(PO4)2
OLEGan [10]
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Ca₃(PO₄)₂ = 310 g/mol

1 mole -------------------> 310 g
2.3x10⁻⁴ mole ---------> ?

m = 2.3x10⁻⁴ * 310 / 1

m = 0.0713 g 

hope this helps!
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3 years ago
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