Determine the number of atoms in 30.0 g of Ne.

Q: Calculate the mass of 2.5 moles of ammonia.

A:

Q: Determine the number of oxygen atoms present in25.0 g of carbon dioxide.

A: From given data  Mass of carbon dioxide (CO2) = 25 g  Also,  Molar mass of carbon dioxide = 44…

Q: Calculate the number of grams of Carbon, C in 0.31 mol CgHsO+

A: In this equation, we want to determine the mass of Carbon in give molecule.  How to calculate it, I…

Q: Determine the number of moles of oxygen ATOMS in 2 moles of Iron(II) Chlorate

A: In order to express the substance's amount, the "mole concept" is mainly used. To estimate moles of…

Q: How many atoms are in a 211. g sample of potassium (molar mass = 39.1 g/mol)?

A:

Q: How many atoms are present in 58.93 g of cobalt? atoms

A: 1.  No.of moles = given mass / molecular mass  Molecular mass of Co = 58.93 g/mol   2. 1 mol = 6.022…

Q: How many atoms are in 145 g of calcium?

A: Given: Mass of Calcium = 145 g To Calculate: Number of atoms in 145g of Ca

Q: Calculate the mass (in grams) found in 0.805 mol sulfur.

A: Since mass = moles X molar mass Since the formula for sulphur is not given  So assuming its natural…

Q: How many atoms can be found in .2 moles of Cobalt?

A: Since number of atoms in a element = moles X Avogadro's number  Avogadro's number = 6.022 X 1023…

Q: Determine the number of molecules in 41.3 grams of NH₃.

A:

Q: calculate the mass in grams of 1.9x1024 atoms of lead

A: Mole Moles is a quantity that represents a collection of 6.022×1023 atoms or molecules. The term…

Q: Determine the number of atoms of O in 10.0g ofCO2.

A:

Q: How many atoms are in 117 g117 g of calcium?

A: Given, 117 g of calcium

Q: How many atoms are in 1.00g of gold?

A: Number of atoms in 1.00g of gold is to be determined.

Q: How many molecules are in 3.1x10^-3 g of C9H8O4?

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Q: Calculate the number of atoms in 66.0g of Cu.

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Q: Calculate the number of molecules in 210 grams of water.

A: 1) Mole in terms of particles:  1 mole = 6.022 x 1023 entities  This number is called Avogadro…

Q: A sample of hydrogen sulfide, H2S, has a mass of 57.25 g. Calculate the number of hydrogen sulfide…

A: Given data,Mass of H2S=57.25gMolar mass of H2S=34.1g/mol

Q: How many moles of C4H10 contains 9.25 x 10^24 molecules of C4H10?

A: Conversion of units:-             This can be done by a methond called unit factor method orcalled…

Q: Calculate the number of nitrogen atoms in a 150.0 g sample of dinitrogen tetroxide

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Q: Determine the number of molecules of ethanol( C 2 H 5 OH) in 47.0 g.

A: In the International System of Units, the mole (symbol: mol) is the unit of measurement for the…

Q: Determine the number of atoms in 3.50 g of gold.

A: Given data- Number of atoms in 3.5 Gold .Molar mass of Au=196g/mol

Q: Calculate the number of carbon atoms in 15.0 g of carbon.

A: The given data contains, given mass = 15.0 g. molar mass of carbon = 12 g/mol.

Q: How many moles are represented by 3.65x10^34 molecules of water?

A: Given: molecules of water = 3.65×1034

Q: determine the number of moles of 44g of Pm

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: How many atoms are in 133 g of calcium?

A: Given :- mass of Ca = 133 g  To calculate :- number of atoms of Ca

Q: How many total atoms are in a 75 g sample of Ag2O?

A:

Q: how many atoms of Ta are in 74.0 g Ta

A: Given a atoms of Tantalum (Ta) . Given quantity substance of gm. = 74.0 g We have calculate of…

Q: Calculate the mole of 0.912 g of copper

A: We have to find the mole of 0.912 g of copper.

Q: Calculate the number of atoms or molecules in 5.7 mol Au

A: Given The number of moles of Au is 5.7 moles.

Q: Calculate the number of moles in 41.2 g of zinc

A: Given: The given mass of Zn, (m) = 41.2 g. The molar mass of Zn, (M) = 65.409 g.

Q: How many aluminum atoms are in 2.04g of aluminum

A: mass of aluminum = 2.04 gmMolar mass = 26.982 gm/molmoles of Al = mass of Al / Molar mass of Almoles…

Q: Calculate the number of moles of He atoms present in 6.33 g of He.

A: Weight of He = 6.33 gm

Q: What mass of CCl4 contains 7.0x1026 molecules of CCl4

A:

Q: How many molecules are in 16.1 g of C8H10?

A: Mass of C8H10 = 16.1 g

Q: Calculate the mass in grams of 422 atoms of potassium K

A:

Q: Calculate the number of atoms in 0.0015 mole  of Cu.

A: Given, A mole of copper =  0.0015 moles. Calculate the number of atoms.

Q: how many atoms are in 102.1 g of sodium?

A:

Q: Determine the number of sodium atoms in 49.78 g of the element.

A: Given: Mass of sodium i.e. Na = 49.78 g.

Q: Calculate the mass (in g) of each sample. 5.94x1020 SO3 molecules

A: Given: 5.94*1020 SO3 molecules

Q: how many atoms of calcium are present in 84.1g of calcium

A: Given,  The number of calcium atoms present in 84.1 grams of calcium is:

Q: How many molecules of methane (CH4) are in 15.0 g of methane?

A: Number of molecules = moles X Avogadro's number  where Avogadro's number = 6.022 X 1023  Since moles…

Q: Determine the number of molecules present in 0.13 g of CH4.

A: Given : Mass of CH4 = 0.13 g Molar mass of CH4 = Atomic mass of C + Atomic mass of H X 4 = 12 + 1 X…

Q: How many grams of carbon are in 368.3 g of carbon tetrachloride? mass:

A: Mass of carbon tetrachloride = 368.3 g  Mass of carbon = ?

Q: How many atoms of cadmium are in 1.00 g?

A: Dear student I have given answer to your question in the image format. If you like the answer then…

Q: How many atoms are in 127 g of calcium?

A: Avogadro's  number gives the number of atoms, molecules or ions in one mole of the substance and it…

Q: How many atoms of Lithium are in 1.00g?

A: The detailed calculation to calculate number of atoms of lithium in 1 gram of Li is provided in a…

Q: Determine the number of molecules present in 0.89 g of CH4.

A: