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How many atoms are in each elemental sample?
Express your answer using two significant figures.
A. 4.8 mol Cu
B. 5.6x10^-3 mol C
C. 20.0 mol Hg
D. 0.285 mol Na

Respuesta :

mosfara5478

Answer:

a- 2.9×10²⁴

b- 3.4×10²¹

c-1.2×10²⁵

d-1.7×10²³

Explanation:

number of particles= number of mol × avogadro's number (6×10²³)

hope this helps :-)
a.2.9x10^24
b.3.4x10^25
c.1.2x10^25
d.1.7x10^23

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