zik95
Answered

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Sagot :

Exactdotcom

Answer:

1:

2: 0×yaren1.55×10

24

0×y

charlotte1963
Since the other person didn’t answer question 1:

1- This is 0.28 x Avagadro’s Constant
= 0.28 x (6.02214086x10^23)
= 1.68619944x10^23
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