The sand to pass through, but not the gravel. Hope this helps!
sand but not gravel!!!!!
80% copper (Cu)
Cu: 80 : 63.546 = 1.259
O: 20 : 16 = 1.25
Cu:O = 1 : 1
the formula: CuO
89% copper (Cu)
Cu: 89 : 63.546 = 1.4
O: 11 : 16 = 0.6875
Cu:O = 2:1
the formula: Cu₂O
Answer: the distance of energy from point d to e
Answer: 253.8
Explanation:
The molar mass of iodine is 126.904. Multiply that by two and you get approximately 253.8 grams in two moles.