CHEMISTRY MIDDLE SCHOOL

How many moles of cobalt (Co) atoms are there in 6.00 times 10 to the 9th power cobalt atoms?

Answers

Answer 1

Answer:

Answer:

In $6.00 * 10^9$ of cobalt atoms there are $6.00 * 10^9$ mol Co

Explanation:

Step 1 : Identify the relationship between 1 mole Cobalt and Avogadro's number of atoms.

$1 \text{mole Cobalt } = 6.022 * 10^(23) \text{ atoms of cobalt }$

Avogadro’s number is number of units present in one mole of any substance (defined as its molecular weight in grams)

Step 2: Divide the given atoms of cobalt by the number of atoms per mol.

Given atoms of cobalt is $6.00 * 10^9$

Now by performing division

Number of moles of cobalt (Co) atoms in $6.00 * 10^9$ cobalt atoms is

= $(6.00 * 10^9)/(6.022 * 10^(23))$

= $0.996 * 10^9 * 10^(-23)$

= $0.996 * 10^(9 -23)$

= $0.996 * 10^(-14)$

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