The answer is 0.492 because there are 100 meters in a hectometer, and 49.2/100 is 0.492
Answer:
Dry Ice is frozen CO2
Explanation:
we just need to convert the 10g into moles
Carbon has atomic mass of 12, and oxygen has atomic mass of 16, so molar mass = 12 + 16(2)= 44
Do 66/44 to get the moles = 1.5 (ans)
Answer:
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