0.2 g/mL
We can use the density formula <em>D = M/V</em>.
<em>D</em> = 6 g/30.0 mL = 0.2 g/mL
Multiply 9.0g/cm3 by 0.31g = 2.79cm3
Well first you need to convert all the substances into there other name. For example: you would change #1 to Mg+O=MgO. That would be known as a synthesis reaction.
This would be answer choice C. the rate constant changes over time
Answer:
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