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

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: Heart disease is linked to high blood cholesterollevels. What is the percent composition of…

A: Percentage composition of each element defines the amount of that particular element present with…

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

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Q: A) How many moles of C17H25O6 molecules are in 203 mg of this compound? B) What is the mass of…

A: Mass of C17H25O6 = 0.203 g Molar mass of C17H25O6 = 17x12 + 25x1 + 16x6 = 204 + 25 + 96 = 325 g/mol

Q: How many molecules are in 502.1 g of LIF?

A: Mass of LIF = 502.1 g Molecular weight = 25.939 g/mol Molecule= ?

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: An aspirin tablet contains 325.0 mg of aspirin, which has the molecular formula, C9H8O4. How many…

A: Given:Mass of aspirin = 325 mg = 0.325 g.

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: Write all possible mole ratios between each element in the compound C4H10O2.

A: In one mole of the compound C4H10O2, there are 4 moles of C, 10 moles of H and 2 moles of O.

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: Combustion of an unknown compound containing only carbon and hydrogen produces 54.9 g of CO₂ and…

A: The empirical formula is the chemical formula of any compound that represents the proportions of…

Q: How many molecules are in 502.1 g of NaCl?

A:

Q: How many grams of hydrogen are in 46 g of CH4O

A: Given;

Q: How many molecules of H2O are contained in 360 g of H2O? How many atoms of H?

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Q: How many moles are equal to 4.5 x 1023 molecules of carbon monoxide? (Round to two decimal places).

A: No of CO molecules = 4.5 × 1023 molecules No fo moles = to be determined

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: What is the mass in grams of 46.50 moles of NaBr?

A: The answer to the following quetion is_- Given moles of NaBr= 46.50 moles molar mass of NaBr is =…

Q: How many moles are in 2.3 g of phosphorus?

A: Moles is the ratio of mass to molar mass of a substance.Moles = mass ÷ molar mass

Q: osmium by mass. a) If you assume 100.0 g of the compound, what is the mass in grams of osmium that…

A: Since you have posted a question with multiple sub- parts, we will solve first three sub- parts for…

Q: How many moles of atoms are contained in 15.5 g of Br2 ?

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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: 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 grams of S are in 515 g of SO2?

A: The atomic mass which is denoted in grams indicates the gram atomic mass. The relationship between…

Q: What is the mass of 29.4 mol of benzene (C6H6)?

A: Mole is a unit of measurement to represent the amount of substance. It can be expressed as,…

Q: How many NH3 molecules comprise one mole of NH3? What is the mass in grams of one mole of NH3? What…

A: In one moles of NH3 is equal to Avagadro number of Molecules of NH3  That means,  1mol of NH3 =…

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

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Q: 5. a) How many moles is 12.04 x 10 molecules of CaCO,? b) What is the mass of this many moles?

A: Since we know that   1 mole of any substance = 6.022 × 1023 molecules of that substance. And  Number…

Q: How many moles of atoms are present in 5 moles of Al(OH)3?

A: To determine the number of moles of atoms present in 5 moles of Al(OH)3 , we need to consider the…

Q: How many grams of carbon are in 402.1 g of carbon tetrachloride?

A:

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 of carbon in 70.43 grams of C6X12Y4? (Assume the molar mass of C6X12Y4 is 295.8)

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

Q: Determine the quantity of moles of propylene (C3H6) in 25.0 g of the substance

A: Given question related to calculation of no. of moles of propylene in 25.0 g of substance.

Q: 5) A certain compound has the following percent composition: 57.1% C, 4.8% H, and 38.1 % O. If the…

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Q: How many moles of CH4 are 4.5x1022 CH4 molecules? NOTE: It is not necessary to include units on your…

A: Given that:  Molecules of CH4 = 4.5×1022

Q: the molar mass of a strange new compound is 95.2 g/mol, how many moles of the compound are in 157.00…

A: