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OldSpice OldSpice
wrote...
Posts: 6434
7 years ago
How many atoms of nickel equal a mass of 58.69 g? (Refer to the Periodic Table.)
A) 1
B) 28
C) 58.69
D) 59
E) 6.02 x 1023
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ElectricElectric
wrote...
Top Poster
Posts: 6430
7 years ago
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Choose E

Molar mass of nickel means , mass of nickel in 1 mole = 58.69 gm [From periodic table]

so, 58.69 gm = 1 mole

Now, 1 mole contains = 6.023 * 10^23 atoms

Hence , ans = 6.023 * 10^23 atoms

[ (58.69 / 58.69) * (6.023 * 10^23 ) =  (6.023 * 10^23 ) atoms ]
1
.silent.boss

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wrote...
7 years ago
Perfect!

..Thank you so much for your support
wrote...
7 years ago
My pleasure
.silent.boss
wrote...
7 months ago
How many atoms of nickel equal a mass of 58.69 g? (Refer to the Periodic Table.)
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