The area of ohio is 44828 miles sqaured. if a mole 0.5mm cubic sandgrams is spread over this area, how much ?

Question

the area of ohio is 44828 miles sqaured. if a mole 0.5mm cubic sandgrams is spread over this area, how much deep will the sandpile be?

Answer 1

convert sq miles to sq meters! Big number, but not like Avogadro's!

200x200 sandgrains/sq meter = 40000 (chicken feed)

multiply sq meters * 40000 sandgrains/ sq meter = # to cover OHIO one laver

divide Avogadro's number by layer coverage = # layers

# layers * 0.5mm = mm of sandpile

convert mm to miles!