Calculate the mass of tetraborane that contains a billion (1.0x10^9) boron atoms.

Q: A particular protein sample is found to have 1 atom of iron in its chemical formula. If the mass…

A: Mass percent expresses the solute concentration in any mixture. The division of weight of dissolved…

Q: calculate the masss of carbon in a 1-carat diamond that contains 7.56 x 10^22 atoms of carbon

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Q: Calculate the mass percent of H in B4H9CI. %

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Q: Change 1.25 x 10^25 atoms of yttrium into moles of yttrium

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Q: Calculate the mass in grams of a sample of NO2 that contains 1.000 x 10^25 molecules.

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Q: Calculate the number of moles present in 6.02 x 10²⁴ molecules of CH4 (Methane)

A: Given, 6.02 x 10²⁴ molecules

Q: Lithium has two stable isotopes, 6Li and 7Li. If a sample is composed of 48.0% of the lighter…

A: Average mass of an element is defined as the atomic mass of the element calculated by multiplying…

Q: 3 FeS2   +  11 O2   →  Fe3O4   +  6 SO3 100 g of iron sulfide was reacted with excess oxygen,…

A: 3 FeS2   +  11 O2   →  Fe3O4   +  6 SO3 Atomic masses Fe=56; S=32, O=16 Molecular mass of…

Q: Calculate the mass of 1.00 x 1024 (a septillion) molecules of water.

A: Given : Number of water molecules = 1.00 X 1024

Q: Determine the number of aluminum ions in 0.611 moles of Al2(SO4)3.

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Q: How many H atoms are there in (2.22x10^2) grams of NH3?

A: The answer to the following question is given as:

Q: late the mass in grams of a sample of NO2 that contains 1.000 x 1025 molecules.

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Q: Which of the following setups would you use to obtain the number of O atoms in 86.8g of Cr(NO3)3?

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Q: 5. How many molecules are there in 6.71 mol of glucose (C6H1206)? 1 mol = 6.02 x 1023 molecules

A: Final answer:- 4.04*1024 molecules

Q: nterpret the following equation in t

A: mole intermes of particles :     1 mol = 6.022 x 1023…

Q: A particular carborane has the following mass percentages: 67.09%B and 21.30%C.What is the empirical…

A: Step 1: Recall that carborane contains the elements carbon (C), boron (B), and hydrogen (H).  Assume…

Q: Calculate the number of moles of propane molecules, C3H8 C 3 H 8 , present in a sample containing…

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Q: How many moles of carbon dioxide are present in 1.03x10^23  molecules of this compound?

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Q: plucheme & Calculate the Mass (in grams) of 6.97 x 1023 Compounds of (NH4)2S

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Q: Calculate the total number of oxygen ATOMS in 1.926 g of magnesium perchlorate.

A: The total number of atoms available in the molecules of any particular substance is referred to as…

Q: Calculate the mass in grams for 8.86 x 10^2 moles of PCl3.

A: Molar mass of PCl3 has to be calculated: gram atomic mass of Phosphorous (P) = 31 g gram atomic mass…

Q: Methyl tertiary butyl ether, or MTBE, is currently used as an octane booster in gasoline. It has…

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

Q: Calculate the mass (in g) of 1.2 x 1024 atoms of molybdenum, Mo.

A: using mole concept , easily determination of atoms , molecules and ions possible.

Q: What is the mass of 8.3 x 10^23 molecules of ibruprofen (C13H18O2 )?

A: Given data, Number of molecules of ibruprofen =8.3x1023 It is known that, one mole of a substance…

Q: How many moles of dipyrithione contain 7.3 x 10^24 atoms of C?

A: Since, Moles is the ratio of mass to the molar mass of that atom or molecules. Also, Number of atoms…

Q: How many Moles of magnesium phosphate do you have if you have 8.257 x 10^25 phosphate ions

A: Divide ion by Avogadro number to get mole

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: One mole of water contains 6.022 × 1023 hydrogen atoms

A:

Q: Calculate the mass in grams of 4.46×1024 molecules of propylamine. The chemical formula for…

A: Avogadro constant = 6.022 × 10²³ /mol The moles of propylamine can be calculated asNo. of moles of…

Q: how many moles of silicon is composed of 7.89 * 10^23 atoms of silicon?

A: Number of atoms of silicon = 7.89 ×1023 atomsmoles of silicon = ?Note: As we know that,6.022 × 1023…

Q: Determine the number of nitrate ions in 177 g Mg(NO3)2.

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

Q: Calculate the mass of 236 molecules of Fe(NO3)3.

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Q: Find the total number of atoms in a sample of cocaine hydrochloride, C17 H22 CINO4, of mass 25.5 mg…

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Q: How many moles of ibuprofen contain 1.62 x 10^23 atoms of C?

A: To find the number of moles of ibuprofen that has the given number of carbon atoms.

Q: What is the mass (in kg) of 692.3 moles of glucose (C6 H12 O6)?

A: The molar mass of a substance is the mass of one mole of that substance. It is determined by adding…

Q: If an air conditioning unit is charged with 4.9 x 1023 molecules of R-113 (C5Cl3F6), what mass of…

A: Given : Number of molecules of C5Cl3F6 = 4.9 X 1023

Q: You are given a 10.0 grams sample of ethanol (CH3CH2OH).   Explain how you can use the molar mass of…

A: The Avogadro’s number of any species is defined by a mole. The Avogadro’s number, NA, is equal to…

Q: Determine the number of nitrate ions in 179 g Mg(NO3)2.

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Q: What is the molecular formula for a substance that in 1.00 mole of sample contains, 1.00 mole of C,…

A:

Q: Calculate the number of atoms in a 2.92 x103 g sample of boron.

A: Firat calculate number of moles.

Q: Calculate the mass percent of chlorine in Mg(ClO4)2.

A: We know that, Molar mass of Cl = 35.45 g/mol Molar mass of Mg(ClO4)2 = 223.206 g/mol

Q: Calculate the mass of fluorine (in g ) contained in 61.0 g of copper(II) fluoride.

A: 1.Copper (ll) flouride is CuF2 . 2. Given mass of CaF2 is 61. 0 g    Mass of fluorine (F) =?

Q: Determine the mass (in g) of Na2CO3 that contains 3.43 × 1023 O atoms.

A: given : atoms of O = 3.43 × 1023 to calculate : mass of Na2CO3 that has 3.43 × 1023 O atoms

Q: Calculate the mass in grams of 1.8 x 10^17 KCl molecules

A:

Q: How many moles of CCL4 are present in 7.65 X 1045 molecules of the compound? W mass of this amount…

A: Given: The number of molecules of CCl4 is 7.65×1045. The number of moles and mass of CCl4 is to be…