Cleotilde14151
05.07.2019 •
Chemistry
How was the earth crust percentage determined ?
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Ответ:
Ответ:
Ca = 1 x 40.07 = 40.07
Cl = 2 x 35.45 = 70.9
400.07 = 70.9 =110.97 g / mol
mass = 0.98 x 110.97 =98.76g
Answer is 98.76g