How many moles of tungsten atoms are in 4.8x10^23 atoms of tungsten? A. 1.3 x 10^-1 moles

B. 8.0 x 10^2 moles

C. 1.3 x 10^-2 moles

D. 8.0 x 10^1 moles

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

We have the final answer as

Hope this helps you

it is the most commonly accepted one

answer:

technetium is the most reactive. this is followed by silver. the least reactive out of these three elements is strontium.