Answer:
38987000
Explanation:
there are 1000 ml in a Liter.
Hope this helps!
7.71x10^23 molecules
Avogadro's # = 6.022x10^23
1.28 mol SiO2 x 6.022x10^23/ 1 mol SiO2 = 7.71x10^23 molecules
Electronic balances.
84
²²²₈₆Rn → ²¹⁸₈₄Po + ⁴₂He
30.53131