How many atoms are in 4.37 mol of carbon-12? How many grams does this much carbon-12 weigh?

Q: What is the mass of 12.5 mol Cl2

A: Given : Moles of Cl2 = 12.5 mol Atomic mass of Cl = 35.5 g/mol

Q: What is the mass, in g, of 15.0 mol of silver?

A: A mole corresponds to the mass of a substance that contains 6.023 x 1023 particles of the substance.…

Q: What is the mass in grams of 36.70 moles of KBr?

A: Consider the given information is as follows: Moles of KBr = 36.70 mol            Mass of KBr = ?

Q: How many moles of CF4 are there in 179.7 g of CF4?

A: Molecular weight  of CF4 =1×molecular weight of Carbon+4×molecular weight of…

Q: Which has the smaller mass, 1 mole of He atoms or 4 moles of H atoms?

A: Molar mass of He = 4.003 g/molMolar mass of H = 1.007 g/mol

Q: What is the mass of 1 mol of atoms of each element?(a) P (b) Pt (c) C (d) Cr

A: Solution- Mole is used to determine the amount of substance. One mole of a substance contains…

Q: Calculate the mass, in grams, of 322 atoms of iron, Fe (1 mol of Fe has a mass of 55.85 g).

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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: how many Sn atoms are in a 48.7 g sample of Sn?

A:

Q: What is the mass, in g, of 1.00 mol of helium atoms?

A: The mass in grams of 1.00 mol of helium atoms has to be given.

Q: How many grams of gold are there in 0.449 moles of gold?

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Q: How many atoms are in 31 mol helium? how many atoms are in 202.1 g sodium?

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Q: How many moles of gold are present in a sample containing 7.50 x 1024 atoms of gold?

A: Given- Number of atoms of gold = 7.50 ×1024 atom

Q: The mass in grams of one argon atom

A:

Q: How many grams of iron are combined with 45.1 grams of oxygen to make the iron(II) oxide compound?

A: Balanced reaction taking place is as follows: Molar mass of Fe = 55.845 g/mol Molar mass of O2 = 32…

Q: How many grams of sugar C12H22011 that consists of 1.25 x 1024 atoms of hydrogens? Molar mass of…

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Q: How many moles of gold are there in 1.20 ounces of gold?

A: Moles of any substance can be defined as the ratio of mass of substance and the molar mass of…

Q: How many atoms are present in (6.78x10^1) g of an element with the following molar mass.…

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Q: What is the mass of 0.150 mol of Na2SO4?

A: Number of moles  = Mass (g)/ Molar mass(g/mol) Molar mass of Na2SO4 = 142 g/mol

Q: How many grams are there in 2.10 moles of sodium (atomic mass = 23g/mol)?

A: We know that,  Number of moles = mass / molar mass

Q: the atomic weight of magnesium is 24.3 g/mol, calculate how many magnesium atoms does 5g represent?

A: Mass of Mg = 5 g Atomic weight of Mg = 24.3 g/mol

Q: What is the mass of 1.98 mol of PH 3?

A: Given,  Mol of PH3 = 1.98 mol  We have to calculate the mass of PH3

Q: An essay written by carbon pencil on a paper weighs 0.5 mg. How many carbon atoms present in the…

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Q: How many sulfur dioxide molecules are there in 1.80 mol of sulfur dioxide ?

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Q: What is the mass of 5.1 mol P?

A: Given,

Q: A sample of potassium weighs 68.2g. How many moles of potassium is this (1 mol= molar mass of…

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Q: How many grams of carbon dioxide contain 2.38 grams of O ?

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Q: How many grams of C are present in 4.84 grams of carbon dioxide ?

A: We have to find grams of C are present in 4.84 grams of carbon dioxide

Q: Convert between moles and numbers of atoms. A sample of lithium contains 2.24x1025 Li atoms. What…

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Q: How many atoms arc in 157 grams of H?

A: Number of mole (n) of substance is calculated by dividing mass of substance (m) to molar mass (M) of…

Q: How many lithium atoms are contained in 5.5 moles of lithium? The molar mass of lithium is 6.941…

A: Since number of atoms = moles X Avogadro's number And Avogadro's number = 6.022 X 1023  Moles given…

Q: How many moles of iron are contained in 1.75 kg of iron?

A: Given :- mass of Fe = 1.75 kg  To calculate :- number of moles of Fe

Q: What is the mass of 9.71 mol of hydrogen gas? (Molar mass 2.02g/mol

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Q: How many grams of sulfur are present in 1.24 moles of sulfur dioxide? The molar mass of sulfur…

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Q: How many atoms are in 20.5 g of carbon-12?

A: We know that, 1 Mole = 6.023 X 10^23 Atoms / Molecules /Ions Number of moles = Given mass / Molar…

Q: Explain the difference between atomic mass (amu) and molar mass (g).

A: Atomic mass unit(amu) is the mass unit of an atom.

Q: Calculate the mass, in grams, of 152 atoms of iron, Fe (1 mol of Fe has a mass of 55.85 g).

A: The concentration of any substance can be expressed in different ways such as molality, molarity,…

Q: How many Carbon Dioxide molecules are there in 3250 grams of Carbon Dioxide?

A: Given that -  Mass of Carbon dioxide, CO2 = 3250 grams    Then, from following relationship -  1…

Q: How many moles are there in 189 grams of silver?

A: Given, 1. Mass of silver (Ag) = 189 g     Molar mass of silver = 107.9 g/mol 2. 1 mol of sodium.

Q: Molar Mass Number of Representative Particle Mass Substance Number of moles (g/mol) (9) Particles

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Q: The total count of atoms in 1.3 mol of argon in its elemental form is:

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Q: a sample of male testosterone C19H28O2 contains 3.88*10^21 hydrogen atoms. How many atoms of carbon…

A: Given : Number of hydrogen atoms in C19H28O2 = 3.88 X 1021 atoms.

Q: What is the mass of 3.00 moles of carbon dioxide?

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Q: How many moles of nitrogen are there in a 7.45 mol sample of ammonium phosphate?

A: Given  Number of mole of ammonium phosphate = 7.45 mole  Number of mole of Nitrogen = ?

Q: . How many atoms are in 50.0 grams of Na?

A:

Q: Calculate the mass, in grams, of 202 atoms of iron, Fe (1 mol of Fe has a mass of 55.85 g).

A: The general unit conversion for atoms to mass in grams is as follows,

Q: What is the mass (grams) of 2500. carbon atoms?

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Q: What is the mass in grams for 11.23 moles of beryllium-10 if each atom has a mass of 10.0135 amu?

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Q: The elements A and B combine to produce two different compounds: A3B and AB2. If 0.18 mol of A3B has…

A: We can calculate the molar mass of any substance by the following formula : Molar mass = mass of…