Question

Let's put this knowledge to the test! How many atoms are in 14 moles of cadmium? Remember that 1 mole would contain 6.02214 x 1023 atoms of cadmium. a) 8.4 x 1024 atoms of cadmium b) 4.2 x 1023 atoms of cadmium c) 84.3 x 1024 atoms of cadmium d) 42.6 x 1022 atoms of cadmium

Answer 1

To find the number of atoms in 14 moles of cadmium, multiply 14 by Avogadro's number (6.022 x 10²23) to get 8.4 x 10²24 atoms of cadmium.

Step-by-step explanation:

To calculate the number of atoms in 14 moles of cadmium, we use Avogadro's number, which is the number of atoms in one mole of any substance. Avogadro's number is approximately 6.022 x 1023 atoms per mole. Therefore, if we have 14 moles of cadmium, we need to multiply the number of moles by Avogadro's number to find the total number of atoms:

14 moles of cadmium x 6.022 x 1023 atoms/mole = 8.4308 x 1024 atoms of cadmium

When we express this value with two significant figures to match the precision given in Avogadro's number, we end up with:

8.4 x 1024 atoms of cadmium

Answer choice a) 8.4 x 1024 is the correct selection.

Answer 2

To find the number of atoms in 14 moles of cadmium, multiply the number of moles by Avogadro's number. The answer is 8.4 x 10^24 atoms of cadmium.

Step-by-step explanation:

The number of atoms in 14 moles of cadmium can be calculated using Avogadro's number and the concept of moles in chemistry. Avogadro's number states that 1 mole of any substance contains 6.022 x 1023 atoms. Therefore, to find the number of atoms in 14 moles of cadmium, we can multiply the number of moles (14) by Avogadro's number:

Number of atoms = 14 moles x 6.022 x 1023 atoms/mole = 8.4 x 1024 atoms of cadmium.