2 years ago

(Please help, ASAP) How many grams are in 3.45x10^23 atoms of P?

Chemistry

1 answer:

Daniel [21]2 years ago

5 0

one mole of P weights about 31 grams

in one mole there are 6.022*10^23 atoms

we use the rule of threes

6.022*10^23atoms......weight..........31 grams

3.45*10^23 atoms.........weight...........x grams

x=(3.45*10^23*31)/6.022*10^23

x=106.95/6.022=<u><em>17.76 grams</em></u>

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