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Step2247 [10]
2 years ago
11

Which of the following correctly shows the relationship, in terms of number of particles, of the three substances?

Chemistry
1 answer:
uranmaximum [27]2 years ago
8 0
The answer is b but I’m not sure
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How many atoms is 50 g of He?
tigry1 [53]
Atomic <span>mass He = 4.002 u.m.a

4.002 g --------------- 6.02x10</span>²³ atoms
50 g ------------------ ? atoms

50 x ( 6.02x10²³) / 4.002

= 3.01x10²⁵ / 4.002

= 7.52x10²⁴ atoms of He
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3 years ago
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