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The mass number of Zn, that is Zinc is 30. It means that it's nucleus contains 30 protons in it. Atomic weight being 65.4. It means average mass number of neutrons is 35.4. This fraction comes because of 'average' number of neutrons present in different 'Isotopes' of Zinc. You will find it interesting to note that Chromium (24 mass number.),Manganese (25),Cobalt (27),Nickel (28), Copper (29) and your Zinc (30) are the important trace element sitting horizontally in Periodic Table around Very important element Iron(26) which is most useful for formation of Hemoglobin in Human body.

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How many moles does 3.80 g Zn have?

To find the number of moles in 3.80 g of Zn, you first need to calculate the molar mass of Zn, which is 65.38 g/mol. Then, divide the mass given (3.80 g) by the molar mass to get the number of moles, which is approximately 0.058 moles of Zn.


What chemical element is represented by Zn?

Zn represents ZINC, having atomic number 30 and mass number 65.39.


How many moles are in 125g of Zn?

The equivalent of 125 g zinc is 1, 91 moles.


What is the number of atoms in 1.88 moles of Zn?

To find the number of atoms in 1.88 moles of Zn, you would multiply the number of moles by Avogadro's number, which is 6.022 x 10^23 atoms/mol. Therefore, there are approximately 1.13 x 10^24 atoms in 1.88 moles of Zn.


How many grams are in 671.89 moles of zinc?

For this you need the atomic mass of Zn. Take the number of moles and multiply it by the atomic mass. Divide by one mole for units to cancel.671.89 moles Zn × (65.4 grams)) = 10.3 grams Zn


How many mole in 3.65 g Zn?

Using the molar mass of zinc (65.38 g/mol), you can calculate the number of moles in 3.65 g of Zn by dividing the given mass by the molar mass. So, 3.65 g of Zn is equivalent to approximately 0.056 moles of Zn.


How many moles are in 22.5 grams of zinc?

For this you need the atomic mass of Zn. Then take the mass in grams and divide it by the atomic number (multiplied by one mole for units to cancel) to find number of moles. Zinc's atomic mass is 65.4 grams.22.5 g Zn / (65.4 grams) = .344 moles Zn


What is the amount in moles of 3.45 g Zn?

Calculated by dividing mass (in grams) by atomic mass of Zn: 3.45(g) / 65.38(g/mole) = 0.0528 mole


How many neutrons are there in a zinc Zn atom with a mass number of 66?

A zinc atom with a mass number of 66 has 34 neutrons. This is determined by subtracting the atomic number (number of protons) from the mass number, since the mass number represents the sum of protons and neutrons.


What is the amount in moles of 3.80g Zn?

To find the amount in moles of 3.80g of zinc (Zn), you need to divide the mass by the molar mass of Zn, which is approximately 65.38 g/mol. 3.80g Zn / 65.38 g/mol ≈ 0.058 moles Zn


What is the mass in grams of 0.040 moles Zn?

0,040 moles Zn equal 2,614 g.


How to Calculate the mass in amu of 2500 atoms of Zn?

amu = 1.66 X 10^-27 kg Find mass of 2500 atoms Zn in kg. 2500 atoms Zn (1mole Zn/6.022 X 10^23)(65.41 grams/1 mole Zn)(1 kg/1000 g) = 2.72 X 10^-22 kilograms/1.66 X 10^-27 = 1.64 X 10^5 amu