Answer to Question #247956 in General Chemistry for BOYONG

Question #247956

Lead is a poisonous metal that especially affects children because they retain a larger fraction of lead than adults do. Lead levels of 0.250ppm in a child cause delayed cognitive development. How many moles of lead present in 1.00g of child’s blood would 0.250ppm represent. Take a picture and upload your solution. (Accepts Image files only. Upload 1 file only) *

Expert's answer

Molar mass of Lead = 207.2

0.55mg/L Pb²⁺ -

10mg = 5.5L

5500/207.2 = 26.54moles