3644000 rounded to 2 significant figures is equivalent to 3.6
If you have 58.93g of Co it means that you only have 1 mol (use a periodic table to find the answer, if you had more find it by proportion, it's easier).
There's 6.022 x 10^23 atoms per mol so you have 6.022 x 10^23 atoms of Co.
(once again if you had more mol, you could find the answer by proportions).
Ok measure atoms the answer is B
Answer:
may be...... false not sure
Explanation:
Answer:
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