how many helium atoms are there in a helium blimp containing 536 kg of helium?

Q: How many silver atoms are there in 3.86 gg of silver?

A: Given, The mass of silver = 3.86 grams. Number of atoms of silver in this amount are:

Q: What is the mass of (2.66x10^21) platinum atoms?

A: Given, Number of Platinum atoms = 2.66×1021

Q: How many silver atoms are there in 3.84g of silver?

A: 1 mole of any substance contains 6.023×1023 atoms.1 moles of silver atoms weigh 107.87 g.

Q: What is the mass of 4.91x10^21 platinum atoms?

A: Given: Number of platinum atoms= 4.91×1021 we know that Molar mass of platinum=195.084 g/mol

Q: what is the mass of 7.15 x 10^22 aluminum atoms?

A: Given, Number of Aluminium atoms = 7.15×1022

Q: What is the mass of 4.97×1021 platinum atoms?

A: Mass has many units. Its SI unit is Kg. On atomic level, atomic mass unit, molar mass, molecular…

Q: How Many atoms are there in 1.4532 mole of copper?

A: Click to see the answer

Q: What is the mass of 4.91 * 1021 platinum atoms?

A: Mole is an unit used for the measurement of total amount of substance. It can be defined as 6.022 ×…

Q: What is the mass of 4.91×1021 platinum atoms?

A: Given:Number of platinum atoms = 4.91×1021.Molar mass of platinum = 195.084 g/mol.

Q: How many helium (He) atoms are there in (3.74x10^2) g of helium?

A: A number of an atom of an element in the compound = number of moles of the element in compound x…

Q: What is the mass of 5.10*10^21 platinum atoms?

A: A mole represents 6.022x1023 particlesThe 6.022x1023 Number is also known as Avogdro's Number .It…

Q: If a penny is made of 2.56 grams of Copper, How many atoms of copper are in the penny?

A: Click to see the answer

Q: if a penny is made of 2.56 grams of copper, how many atoms of copper are in the penny?

A: Answer:- This question is answered by using the simple concept of calculation of number of atoms…

Q: What is the mass of 6.77x10^24 nitrogen atoms?

A: Click to see the answer

Q: How many miles of gold atoms do 3.45 x 10^24 gold atoms constitute

A: This problem can be solved by knowing that one mole comprises of 6.022×1023 atoms.…

Q: How many silver atoms are there in 3.78 g of silver?

A: Given information: Mass of silver = 3.78 g

Q: A sample of aluminum foil contains 5.70 x 1023 atoms. What is the mass of the foil?

A: Click to see the answer

Q: How many atoms of neon are present in 1.30 moles of neon?

A: Click to see the answer

Q: How many grams would 4.15 x 1021 atoms of Pb weigh?

A: Answer

Q: How many atoms of gold are there in one ounce of gold

A: Click to see the answer

Q: A mass of 18.6 g of an element is known to contain 4.84 x 1023 atoms. What is the atomic mass of the…

A: Click to see the answer

Q: how many atoms of silver are in 100 grams of silver ?

A: Molar mass is the amount of a substance where 6.023×1023 no of atoms/molecules of that substance are…

Q: What is the mass of 100 platinum atoms?

A: Atomic mass, the amount of matter found in the element atom. It is expressed as a multiple of…

Q: Which elements make up about 99% of the mass of living things?

A: Elements are very important for the maintenance of biological life. For example sodium and potassium…

Q: How many silver atoms are there in 5.71 moles of silver?

A: Click to see the answer

Q: How many grams of lithium are in 8.52 x 1023 atoms?

A: 1 mole of any species contains Avogadro's number of atoms or molecules. i.e, 6.023 × 1023  Molar…

Q: A 67.2 g sample of a gold and palladium alloy contains 3.33*10^23 atoms.  a) What is the mass % of…

A: Given data,Mass of alloy=67.2gTotal number of atoms=3.33×1023atoms

Q: How many total atoms are there in 23.7 g of water?

A: Click to see the answer

Q: A sample of aluminum foil contains 7.50 x 1023 atoms. What is the mass of the foil?

A: Given :- no. of atoms of Al = 7.50 × 1023 atoms  To be calculated :- mass of Al foil (in g)

Q: A sample of Aluminum foil contains 6.30 x 10^23 atoms. What is the mass of the foil

A: One mole of any substance contains 6.023 X 1023 units of that substance (atoms, ions or Molecules) .…

Q: How many moles of aluminum do 1.42 x 10^24 aluminum atoms constitute?

A: 1 mol of any atom has 6.023 ×1023 number of atoms .

Q: How many atoms of Tellurium are in 599.72 g of Tellurium?

A: Given :- mass of Te = 599.72 g  To calculate :- number of Te atoms

Q: If you had 5.25 grams of Magnesium , how many atoms is that?

A: Click to see the answer

Q: Determine the mass of 3.01 × 10^20 atoms of Sulfur.

A: Click to see the answer

Q: How many atoms would there be in 9.85x106 g of Neon?

A: Given, Mass of Neon = 9.85 × 106 g Number of atoms are there in 9.85 × 106 g of Neon = ? Note:…

Q: Argon has three naturally occurring isotopes, 36Ar, 38Ar, and 40Ar. What is the mass number of each?…

A: To find: The mass number, number of protons, number of neutrons, and  number of electrons present in…

Q: (a) What is the mass in amu of a carbon-12 atom? (b) Why isthe atomic weight of carbon reported as…

A: The quantity of an element equal to its atomic mass expressed in grams is called one gram atomic…

Q: How many moles of lithium are there in 1.204 X 1024 lithium atoms?

A: How many moles of lithium are there in 1.204x1023lithium atoms ?

Q: (a) What is the mass in amu of a carbon-12 atom? (b) Why isthe atomic weight of carbon reported as…

A: (a) There are some isotopes of carbon one of them is carbon-12. The atomic mass of carbon in amu is…

Q: What is the mass, in grams, of 557 copper atoms?

A: We have to calculate the mass, in grams, of 557 copper atoms.

Q: What is the mass, in grams, of 557 copper atoms?

A: Given, number of atoms of copper =557 we are asked to calculate the mass (in grams) of 557 copper…