Chemistry help on Density. ?
Weather balloon inflate to a volume of 2.2x 10 to the 3rd power Liter with 37.4g of helium, what is the density of helium in grams per liter?
can someone help and explain it to me?
Update:how do we convert it? L to mL?
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the formula for density is: d = mass / volume
the units for density are: g / mL or g / cm^3
First write 2.2 x 10 ^3 L in standard form: 2200 L
Then convert 2200 L to mL. (hint: use your staircase)
Once you find how many mL it is, just plug it into the density formula:
mass = 37.4g
volume= ___________ mL
density = mass / volume