Respuesta :

yinaanna0

Answer:

Explanation:

4)6.27x10^20/(6.02x10^23)(u should have this number on your formula sheet)=0.001 mol

5)7.4x6.02x10^23=44.548x10^23atoms

6)molar mass for K is 39.10g/mol

3.27x39.10=127.86g

Im bad at sig figs. Just do it urself(:p

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