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Ierofanga
[76]
3 years ago
7
you are given a sample containing 0.70 moles of a substance. How many atoms are in the sample if the substance is zinc?
Chemistry
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answer:
yuradex
[85]
3 years ago
7
0
1 mole ------------- 6.02 x 10²³ atoms
0.70 moles -------- ( atoms zinc )
atoms platinum = 0.70 x ( 6.02 x 10²³ ) / 1
<span> = </span>
4.2 x 10²³ atoms zinc
<span>hope this helps!</span>
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