How many copper atoms would there be in 70.3 milligrams of copper

Q: Tin, element 50 on the periodic table, has 10 stable isotopes. 117^Sn makes up 7.687% of naturally…

A: Using the formula moles of Sn117 is calculated as,

Q: What is the mass (in g) of 2.91 x 1028 atoms of Fe?

A: Given: Number of Fe atoms = 2.91 × 1028 atoms.

Q: What is the mass in grams of 3.61 x10^23 atoms of copper?     How many copper atoms are there in…

A: The atomic mass of an element is used to determine the number of moles of an element. One mole of…

Q: How many moles of calcium atoms do you have if you have 8.13 × 10²¹ atoms of calcium. (The mass of…

A: One mole of any substance contains 6.023×1023 particles. This is called as Avogadro’s number. The…

Q: How many moles of silver atoms do you have if you have 2.15 × 10²¹ atoms of silver. (The mass of one…

A: Number of moles (n) is given by- n= given mass/molar mass Or n= given no. of particles/Avogadro…

Q: A copper ring is composed of 1.45×1023 atoms.1.45×1023 atoms. Calculate the mass of the ring in…

A: The mass of the ring in grams is to be calculated

Q: Manganese is a transition element essential for the growth of bones. What is the mass in grams of…

A: 1 mol  = 6.022 × 1023 atoms 1 atom   =   1 / 6.022 × 1023 atoms   Mass in grams = Moles × Molar mass…

Q: Determine the mass in grams of 5.90 × 10²¹ atoms of arsenic. (The mass of one mole of arsenic is…

A: Given that:  Atoms of arsenic = 5.90×1021 Mass of arsenic = 74.92g  1mole = 6.023×1023 atoms

Q: A sample of C, H, contains 4.69 x 1024 H atoms. How many carbon atoms does the sample contain?…

A:

Q: Determine the mass in grams of 3.34 x 10^21 atoms of arsenic. (The mass of one mole of arsenic is…

A:

Q: Determine the mass in grams of 6.77 × 10²¹ atoms of arsenic. (The mass of one mole of arsenic is…

A: We have to determine the mass in grams of 6.77 × 10²¹ atoms of arsenic. (The mass of one mole of…

Q: What mass of nickel would contain 5.66 x 1021 atoms?

A:

Q: Determine the mass in grams of 4.83 × 10²¹ atoms of barium

A: Given :- number of atoms of Ba = 4.83 × 1021 atoms  Mass of 1 mol Ba = 137.33 g  To calculate :-…

Q: Determine the mass in grams of 6.96 × 102¹ atoms of carbon. (The mass of one mole of carbon is 12.01…

A: Mole is defined as mass of substance divide by it's molar mass

Q: A sample of C,H, has 9.28 x 1024 H atoms. How many carbon atoms does the sample contain? number of…

A: The amount of substance is usually defined in terms of mole. The mole is the SI unit of the quantity…

Q: Calculate the mass of 4.53 × 1021 chromium atoms in grams.

A:

Q: How many moles of iron atoms do you have if you have 5.60 × 10²³ atoms of iron. (The mass of one…

A: We know that 1 mole=6.023 x 10^23 atoms/molecules/ions Given, Number of atoms of iron=5.60 x 10^23

Q: Matter is neither created nor destroyed in a chemical reaction. Thus, the mass of the products of a…

A:

Q: Chemists have determined that 18.0 g of water consists of 6.02 x 10 23 molecules. Determine the…

A: Given, 18 g of water consists of 6.02 x 1023 molecules. Container = 1 quart = 946.35 g

Q: How many moles of potassium atoms do you have if you have 4.40 × 10²² atoms of potassium. (The mass…

A: The mass of one mole of potassium is 39.10gm.   39.10gm of potassium contain=avogadro number…

Q: Determine the mass in grams of 5.79 × 10²¹ atoms of barium. (The mass of one mole of barium is…

A: Given no. Of atoms of barium = 5.79 x 10²¹  1 mole of barium = 137.33 g

Q: How many moles of C are there in a sample that contains 15.9 grams of carbon? How many grams of…

A: The objective of the question is to calculate the number of moles and mass of carbon and krypton…

Q: 3.7 × 10–4 kg of atoms to micrograms (μg).

A: Given information:Mass of atoms = 3.7×10-4 kg

Q: How many moles of iron atoms do you have if you have 2.50 × 10²³ atoms of iron. (The mass of one…

A: The number of atoms present in one mole of a substance is equal to Avogadro number.

Q: how many grams are in 4.46 x 10 24 atoms of carbon?

A: Number of carbon atoms present = 4.46 x 1024 Atomic mass of carbon is 12 grams Atomic mass means the…

Q: Determine the mass in grams of 6.03 × 10²¹ atoms of carbon. (The mass of one mole of carbon is 12.01…

A: The given mass of 1 mole of carbon atoms = 12.01 g So, the mass of 6.022×1023 atoms of carbon =…

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

A:

Q: What is the mass (in grams) of 8.907 x 1047atoms of silver?

A:

Q: What quantity in moles of potassium atoms do you have if you have 3.50 x 1022 atoms of potassium.…

A:

Q: Consider a sample of carbon tetrafluoride that contains 1.01 × 10²⁴ atoms of fluorine. What is the…

A: Formula for carbon tetrafluoride is CF4

Q: How many moles of silver atoms do you have if you have 7.78 × 10²¹ atoms of silver. (The mass of one…

A:

Q: Determine the mass in grams of 5.66 × 10²¹ atoms of barium. (The mass of one mole of barium is…

A: Given,

Q: Determine the mass in grams of 5.47 × 10²¹ atoms of barium. (The mass of one mole of barium is…

A: Molar mass of any element is the mass of Avogadro number of atoms. That is the weight of 6.022 × 10…

Q: How many moles of calcium atoms do you have if you have 5.86 × 10²¹ atoms of calcium. (The mass of…

A:

Q: How many moles of calcium atoms do you have if you have 2.46 × 10²¹ atoms of calcium

A:

Q: What quantity in moles of sodium atoms do you have if you have 2.10 × 10²³ atoms of sodium. (The…

A: The objective of the question is to find out the quantity in moles of sodium atoms given the number…

Q: Determine the mass in grams of 8.16 x 10^21 atoms of zinc. (The mass of one mole of zinc is 65.39 g

A: To determine the mass in grams of atoms of zinc, we can use the following steps:Find the molar mass…

Q: Determine the mass in grams of 2.25 × 10²¹ atoms of copper. (The mass of one mole of copper is 63.55…

A: Mole concept: According to the mole concept, the number of particles in one mole of the substance is…

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.