How many moles of C are there in a sample that contains 15.9 grams of carbon? How many grams of carbon are there in a sample that contains 4.61 mol of C?  What is the mass of 4.63×1023 atoms of krypton ?  How many krypton atoms are there in 31.9 grams of krypton ?

Q: What quantity in moles of iron atoms do you have if you have 2.50 × 10²³ atoms of iron. (The mass of…

A: We know that ; 1 mole of substance contain = Avogadro's number of atoms . ( Avogadro's number =…

Q: A thin-layer chromatography (TLC) experiment was run using three compounds: benzophenone,…

A: on doing A thin-layer chromatography (TLC) experiment was run using three compounds: benzophenone,…

Q: Determine the mass, in grams, of 0.315 moles of S (1 mol of S has a mass of 32.07 g).

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Q: 5. From the 'H nmr spectrum of dibenzalacetone (Fig. 1) can you deduce what geometric isomer(s) is…

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Q: How many moles of calcium atoms do you have if you have 2.92 10 ^ 21 atoms of calcium. (The mass of…

A: Number of moles=Given no of atomsAvogadro's NumberAvogadro's Number=6.023x1023

Q: Determine the mass, in grams, of 0.720 moles of S (1 mol of S has a mass of 32.07 g).

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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: Phosphorus has the molecular formula P 4 and sulfur has the molecular formula S 8 . How many grams…

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Q: What is the mass of 24.1 mol of xenon? 131 g 3.16 x 103 g 24.1 g 145 g

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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 Al are there in 41.5 grams of Al?

A: Since number of moles of atom = mass of atom / Atomic mass of atom

Q: How many moles of Si are there in a sample that contains 10.4 grams of silicon? How many grams of…

A: 1.Mass of silicon = 10.4g Moles of silicon =?2. Moles of silicon = 4.20 molMass of silicon in grams…

Q: how many moles of gold is 2.56 x 1026 atoms of gold

A: 1 mole = 6.022×1023 [ Avogadro's number ] Anything with this number is said to be one mole For…

Q: How many moles of Ar are there in a sample that contains 4.35×1022 argon atoms?  How many argon…

A: The objective of the question is to find out the number of moles of Argon (Ar) in a given sample…

Q: Determine the number of atoms in 39.0 grams of calcium, Ca. (The mass of one mole of calcium is…

A: Mass of calcium = 39.0 grams Mass of 1 mol of calcium = 40.08 g. Number of atoms = ?

Q: ow many moles of H2O does 1.2 x 1024 molecules represent?

A: Given,  1.2 x 1024 molecules of H2O

Q: The atomic mass of aluminum is 26.982u. How many alluminum atoms are in a 4.55g sample of aluminum?

A: Mass of aluminium sample=4.55 g The atomic mass of aluminum =26.982 u Moles of aluminium=4.5526.982…

Q: a combustion reaction, 33.5 g of hydrocarbon reacts with 96.0 g of oxygen to produce water and…

A: The process in which an organic substance like a hydrocarbon reacts with oxygen from air to give out…

Q: A diamond contains 4. 1021 atoms of carbon. What amount (moles) of carbon are in this diamond? What…

A: Hey! As per the question, I am assuming that the value given is 4 x 1021 atoms of carbon. If…

Q: Determine the mass, in grams, of 0.465 moles of S (1 mol of S has a mass of 32.07 g).

A: Given that, Moles of S= 0.465 moles MM of S= 32.07 g mol-1 then,

Q: the element rhenium re has two naturally occurring isotopes 185re and 187re and an average atomic…

A: Mass of sample = 770.0 gMass of Re-187 = 186.956 amuMass of Re-185 = 184.953 amu

Q: How many atoms are in 1.50 moles of helium (He)?   a 2.50 x 1022 atoms He  b 9.03 x 1023 He atoms…

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Q: Determine the mass, in grams, of 0.710 moles of S (1 mol of S has a mass of 32.07 g).

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Q: If 2.06 mL of seawater contains about 6.91×10-14 moles of gold, how many atoms of gold are in that…

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Q: how many moles of calcium atoms do you have if you have 4.02 x 1021 atoms of calcium?

A: 1 mole of Ca contains 'Na, number of atoms. 1 mole of Ca weighs 40g  Na = 6.02214179×1023 atoms

Q: 2. How many moles of Pb is 9.3 x 1015 atoms of Pb?

A: Number of atom of pb = 9.3×10^15 atoms

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: A diamond contains 5.0x1021 atoms of carbon. What amount(moles) of carbon and what mass(grams) of…

A: No. of atoms of 'C' = 5.0×1021 atoms Calculation of no. of mol of 'C': n=No. of atoms6.022×1023…

Q: A substance contains 3.024 g hydrogen, 30.97 g phosphorus, and 64.00 g oxygen. How many grams of…

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Q: How many Co atoms are there in 4.62 moles of Co? atoms

A: Number of moles of Co = 4.62 mol Number of bromine atoms = 6.00 × 1024 atoms

Q: the atomic mass of C is 12.011u. How many moles of C are there in 3.50g sample of carbon?

A: Converting Mass to molesAtomic Mass of C = 12.011 Mass of C in a sample = 3.50Calculate the Number…

Q: How many moles of N are there in a sample of N that contains 2.75×1024 atoms?

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Q: How many moles of arsenic are there in 6.50 g of arsenic?

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Q: How many moles of silver atoms do you have if you have 5.09 × 10²¹ atoms of silver. (The mass of one…

A: Given: Number of Atoms of Silver = 5.09 × 10²¹  To Determine: Moles of silver atoms

Q: One secret admirer leaves you 4.56 moles of silver while another secret admirer leaves you 3.69…

A: Data given: Number of moles of silver = 4.56 moles  Number of moles of gold = 3.69 moles

Q: Determine the mass, in grams, of 0.635 moles of I (1 mol of I has a mass of 126.90 g)

A: Given: Moles of I = 0.635 mol Molar mass of I = 126.90 g/mol

Q: How many grams of Si are there in a sample of Si that contains the same number of moles as a 55.6…

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Q: What is the amount, in moles, of each of the following substances? A)12.6 g Ar B)3.50 g Zn C)26.5…

A: Welcome to bartleby !

Q: In 6.9 g of aluminum, there are ______ x 1023 aluminum atoms present

A: Molecular mass of atom contains 6.023 × 10^23 atoms. Molar mass of aluminium is 26.981 g/mol

Q: Fulminating silver is the historic name for compounds that contain silver and which explode…

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Q: Mass, S s of 32.07 g).

A: Number of moles is calculated by dividing the given mass with molecular mass. Given molecular mass…

Q: Convert 3.69 moles of Al (OR A l) to grams. Do not type units with your answer. The atomic weight…

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