How many moles of propylene (C3H6) are in 25.0 g of the substance?

Q: How many carbon atoms are in 3.47 g of aspirin (C,H₂O)? C atoms

A: Given -> Weight of aspirin= 3.47 gm  Molecular formula of aspirin= C9H8O4

Q: How many moles of NO3- are in 13.0 g of Ca(NO3)2?

A: 1 moles of Ca(NO3)2 contains 2 moles of Nitrate ions. Nitrate ions (NO3-) present in the sample =…

Q: What is the empirical formula of a compound with 69.72% carbon, 11.7% hydrogen, and 18.58% oxygen…

A: Given,the mass percent of Carbon ( C ) = 69.72 %                                  Hydrogen ( H ) =…

Q: Calcium carbonate is the active ingredient of some antacids. It is also the compound in the mineral…

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Q: How many molecules are in 119.78g of C4H10?

A: Given weight = 119.78 gram

Q: person

A: Molar mass of water = 2 • ( molar atomic mass of H ) + molar atomic mass of O  Molar mass of water =…

Q: moles

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Q: How many moles of Ag are in 67.1 grams of Ag₂O?

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Q: How many moles of C4H8O2are in 6.00 g of butyric acid?

A: Given  Mass of C4H8O2 = 6 gram  Number of mole = ?

Q: The number of moles in 37.80 g of C2H6O (molar mass = 46.1 g/mol) is?

A: Given information,       Mass of C2H6O is 37.80 g.     Molar mass of C2H6O is 46.1 g/mol.

Q: how many molecules of N2O4 are in 76.3 g of N2O4? the molar mass of N2O4 is 92.02 g/mol

A: Mass of N2O4 is 76.3 g Molar mass of N2O4 = 92.02 g mol-1 Number of moles of N2O4 = mass of…

Q: An average cup of coffee contains about 125 mg of caffeine, CRH10N4O2. How many moles of caffeine…

A: Moles of the caffiene can be determined by suing the formula given below as: Moles of Caffeine=Given…

Q: You have 275 g. of CCl3F How many moles is this?

A: The name of the given compound is trichlorofluoromethane with molecular formula CCl3F. Given that,…

Q: A sample of propanol, C3H3O, contains 0.383 mol of the compound. What is the mass of the sample, in…

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Q: How many hydrogen atoms are present in 75.0 of g H2O?

A: Mass of water, H2O = 18.016 g/mol Mass of water = 75 g Moles of water, H2O = Mass Molar mass=75…

Q: How many grams of nitrogen are in a .10g sample C8H10N4O2?

A: Step : 1            The mass of caffeine ( C8H10N4O2 ) is not clear, so we consider as two cases  :…

Q: How many moles of tetracycline (C₂₂H₂₄N₂O₈) are in 92.1 grams?

A: Before going to find out moles of tetracycline, We first find out molecular weight of C22H24N2O8 ,…

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

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Q: How many moles of MgSiO3 are in 231 g of the compound?

A: Generally the mass is converted into moles by using following expression.

Q: How many molecules are present in 1.36 g of AgNO3?

A: Given : Mass of AgNO3 = 1.36 g

Q: A compound of C,H,N and O has the following percent composition by mass: 17.8% C, 2.22% H, and 20.7%…

A: Empirical formula represents the simplest whole number ratio of elements that are present in a…

Q: How many molecules of C7H10O2N2 are there in 2.648⨯10-2 moles of that substance?

A: To determine the number of molecules of C7H10O2N2 in 2.648⨯10-2 moles, we can use Avogadro's number,…

Q: How many moles are in a sample of Saccharin with a mass of 50.51 grams? Saccharin is an artificial…

A: We know, number of moles = Given Mass / Molecular Mass

Q: A chemical engineer has determined by measurements that there are 3.2 moles of hydrogen in a sample…

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Q: How many g of C4H4S2 are equivalent to 5.40 moles of this compound?

A: Answer: 627.48 g

Q: How many grams of Cl are in 27.3 g of CHCl3 ?

A: Given :  Mass of CHCl3 = 27.3 gm  Also, atomic mass of Cl = 35.5 gm

Q: Aluminium has a density of 2.70 | g/cm3 . How many moles of aluminum are in a 13.2 cm3 block of the…

A: Density :- Density of a substance is its amountof mass per unit volume . So , density is the…

Q: How many moles are in 1.88 g Al2O3? Al = 26.98 g/mole, O = 16.00 g/mole.

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Q: How many C atoms are present in a 5.03 ng sample of nitrobenzene, C6H5NO2?

A: In this question, we will determine the number of C atoms in the given mass of Nitrobenzene sample.…

Q: How many moles of carbon dioxide (CO2CO2) are in 34.9 g34.9 g of the compound?

A: Given:Mass of CO2 = 34.9 gMolar mas of CO2 = 44.01 g/mol.

Q: mercury occurs as a sulfide one called cinnabar, Hgs. How many moles of HgS are contained in a…

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Q: A compound is 7.7% (by mass) hydrogen and 92.7 % carbon. It has a molecular weight of 52 g/mole.…

A: Empirical formula are the formula which represent simplest ratio of an element present in a given…

Q: How many molecules are in 3.80 ✕ 103 g of AlPO4?

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Q: molecules

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Q: 1) The empirical formula of a compound is CH. Its molar mass is 52.07 g/mole. What is its molecular…

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Q: How many moles of water, H2O, are present in 75.0 g of H2O?

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Q: Aspirin, C9H8O4, is a common pain reliever and is also often given in low doses daily for prevention…

A: Given :- number of moles of aspirin (C9H8O4) in sample = 0.0745 mol  To calculate :- mass of aspirin…

Q: How many molecules are in 24.8 moles of SO₂?

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Q: What is the mass in grams of Na1 (22.99 g/mol) in 25.0 g of Na2SO4 (142.0 g/mol)?

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Q: How many H atoms are present in a 6.43 ng sample of nitrobenzene, C6H5NO2?

A: Step 1: Calculation of moles of nitrobenzene Given,mass of nitrobenzene = 6.43 ng = 6.43 ng × ( 10-9…

Q: 5.) Ethylene glycol is a coolant widely used in automobiles. If its molecular formula is C2H6O2, how…

A: Number of moles is defined as the amount of the substance divided by the molecular weight of the…

Q: How many moles are in a sample of Saccharin with a mass of 35.31 grams? Saccharin is an artificial…

A: We know that, number of moles can be expressed as,

Q: A sample of ammonia(NH3 17.03 g/mol) has a mass of 56.6 g. How many molecules are in this sample (1…

A: mol designates 6.022 * 10 raise to power 23 molecules.

Q: How many molecules are in 119.78 g of butane (C4H10)?

A: Mass of butane = 119.78 g  Number of molecules of butane = ? • Number of moles = mass / molar mass…

Q: How many molecules are in 40.8 moles of SO₂?

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

Q: How many moles are in 34.0 g of Na2SO4?

A: The given grams of Na2SO4is converted into moles by using following mass to moles conversion…