Chemistry, 30.04.2021 03:50 drastipatel18
The Centers for Disease Control and Prevention (CDC) recommends that public health actions be initiated when the level of lead in a child’s blood is 5 micrograms per deciliter (µg/dL) or more. What is this in ppm? ( 1 dL = 0.1 dm^3)
a) 5 ppm
b) 0.5 ppm
c) 50 ppm
d) 0.05 ppm
Answers: 3
Chemistry, 21.06.2019 13:30
If a 60-g object has a volume of 30 cm3, what is its density? 2 g/cm3 0.5 cm3/g 1800 g * cm3 none of the above
Answers: 3
The Centers for Disease Control and Prevention (CDC) recommends that public health actions be initia...
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