Question

playing give the answer I'm in examination halll​

Answer 1

Answer:

n = weight /M

1)

n = 64/40 = 1.6

2)

n = 12/44 = 3/11

3)

n = number Of entities/Na

Na = 6.02 × 10^23

n = 2.555 × 10^25/Na

n = 42.44

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