Calculate the number of oxygen atoms in a 130.0 g sample of iron(III) oxide (Fe,O3).

Q: What is the total number of oxygen atoms on the right-hand side of this chemical equation?…

A: Interpretation: The total number of oxygen atoms on the right-hand of the given chemical equation…

Q: How many atoms of sulfur are in 279 g of Na₂S₂O₃ ?

A: Given , Mass = 279 g Molar mass of Na₂S₂O₃= 158.11 g/mol

Q: Calculate the mass of 816 molecules of Cu (NO3) 2

A: 1 mole of any substance contains  Avogadro's number of atoms or molecules. This Avogadro's number is…

Q: 1. Calculate the mass in grams of a single oxygen molecule, 02.

A: Molar mass of O2 is 32.0 g/mol  We have to calculate here mass of 1 molecule of oxygen i.e. O2

Q: Calculate the number of moles of butane, C4H10, in 151 g of butane.

A: Step : 1           Calculate the number of moles of butane, C4H10, in 151 g of butane.

Q: CxHyOz

A:

Q: Calculate the number of oxygen atoms in a 80.0 g sample of forsterite (Mg, SiO,).

A: number of moles = mass/molar mass  1 mol contain atoms equal to 6.022 × 1023

Q: Calculate the mass of 2.50 moles of Carbon Monoxide, CO. ______

A:

Q: 7. How many molecules are there in 24.0 g of ethylene glycol, HO(CH)OH?

A: The number of moles is defined as the ratio of the mass of a substance to its molar mass. Number of…

Q: Calculate the mass (in grams) of carbon in 1.88 grams of C2F3Cl3.

A: Mass of C2F3Cl3 = 1.88 g Moles of C2F3Cl3 = 1.88 g / (187.376 g/mol) = 1.0033 × 10-2 mol Since 1…

Q: Determine the number of atoms of O 10.0 of CO2.

A: Since each molecule of CO2 has 1 atom of C and 2 atoms of O  Hence each molecule has total number of…

Q: Acetaminophen, a common aspirin substitute,has the formula C 8 H 9 N O 2 . Determine the numberof…

A: Given  Molecular formula of acetaminophen = C8H9NO2  Molar mass of C8H9NO2 = (12 x 8 ) + ( 1 x 9 ) +…

Q: Calculate the mass (in kilograms) of chlorine in 25 kg of each chlorofluorocarbon (CFC). a. CF,Cl2…

A: Solution-  mass of the clorine in the CF2Cl2-=molar mass of colorinemolar mass of the…

Q: Hydroxylamine, NH2OH, is a reducing agent found in some film developing solutions. How many hydrogen…

A:

Q: Calculate the number of atoms of glucose in 2.116 x 10-3 grams of glucose, C6H12O6. Hint: molar…

A: Given that, Grams of glucose in 2.116 x 10-3 g The molar mass of glucose (C6H12O6) as follows --- =…

Q: Calculate the empirical formula for 1.386 g Zn, 5.381 I

A: Given,

Q: One of the salts that scientists have found on Mars that supports the idea that water once flowed on…

A: Percentage composition :- The mass percent of each element present in the compound is known as…

Q: Aspartame, C14H18N2O5, a low-calorie sweetener, is about 200 times sweeter than sugar. How many…

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

Q: In mammals, lactose (milk sugar) is metabolized to glucose (C6H12O6), the key nutrient for…

A: Given :  Calculate the mass percent of C in glucose

Q: What is the mass of 2.9 × 10^26 molecules of dinitrogen pentoxide, N2O5(g)?

A: Molecules of N2O5 = 2.9 x 1026

Q: 9. How many moles are in 6.25 x 1023 molecules of potassium chloride?

A: Since you have posted multiple questions, we will solve only first question for you. If you want any…

Q: PSQ-2: Calculate the percent composition of carbon, by mass, in aluminum ferrocyanide, Al4[Fe(CN)6]3

A: The formula of percent composition is as follows: Mass % element=Mass of the element in the…

Q: Question attached

A: Number of moles of the substance is equal to the ratio of mass to the molar mass of the substance.…

Q: Calculate the number of oxygen atoms in a 150.0 g sample of iron(III) oxide (Fe,03).

A: Number of moles = mass/molar mass  Molar mass of Fe2O3 = 159.69 g/mol  1 mol = 6.022 × 1023 atoms

Q: Caffeine has the formula C8H10N4O2 . If an average cup of coffee contains approximately 125 mg of…

A: In the international system of units the mole (symbol: mol) is the quantity unit for measurement…

Q: Lithium has two stable isotopes, 6Li and 7Li. If a sample is composed of 41.0% of the lighter…

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

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

A:

Q: The metal, Pellissippium (Pe), has a molar mass of 65.01 g/mol. What is the mass of 2.300 moles of…

A: The mass of metal, Pellissippium (Pe) has a molar mass = 65.01 g/mol. The chemical formula of…

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

A:

Q: How do i Calculate the mass, in grams, of 422 atoms of potassium, K (1 mol of K has a mass of 39.10…

A: 1 Mole of any substance contain 6.023 x 1023 entities  (entities = atoms/ions/molecule) 1 mole of…

Q: Arrange the following compounds from left to right in order of increasing percentage by mass of…

A: Fluorine is a halogen compound, it belongs to the 17 group of the periodic table.

Q: Calculate the molar mass (g/mol) of the compound. NaNO2

A: Calculate molar mass of NaNO2 ?

Q: How many fluorine atoms are present in 5.85 g of C2F4?

A: 1 mole of any substance contains 6.022 x 1023 atoms or molecules or particles. Here 6.022 x 1023 is…

Q: How many H atoms are there in (3.80x10^2) grams of H2O?

A: Number of moles = Mass/Molar mass Number of atoms in 1 mole = 6.0224 x 1023 Molar mass of water =…

Q: How many moles are in 2.5 x 1025 molecules of Fe?

A: mole interms of particle :       1 mole of any substance = 6.022 x 1023 particles  this number is…

Q: Consider a 214.6 g sample of the compound manganese(IV) perchlorate. Using the formula Mn(CIO), (MM…

A:

Q: Calculate the percentage of nitrogen, by mass, in Ca(NO3)2.

A: Assuming we have 1 mole of Ca(NO3)2. => mass of Ca(NO3)2 we have = molar mass of Ca(NO3)2 = 164 g…

Q: Calculate the percentage of potassium, by mass,in K2PtCl6.

A: Mass percent of the solution is defined as the mass of solute divided by the mass of solution…

Q: How many aluminum atoms are in 25.0 grams of aluminum oxide, Al2O3?

A: The formula of the given compound is Al2O3. One mole of Al2O3 contains two moles of Al atoms.

Q: How do you calculate the number of moles of Br atoms in 0.41 mol of CHBr3?

A: The relation of mass and number of moles can be written as: Where, ‘n’ is the number of moles ‘m’…

Q: Calculate the mass of 3.62 x 104 molecules of glucose (C,H1206).

A: Given that :Molecules of glucose (C6H12O6) = 3.62×1024 molecules Mass of glucose =?

Q: Get the number of moles of the given substances. a. 0.26 g iron, Fe b. 1.50 x 1023 sodium atoms, Na…

A:

Q: 1. Calculate the number of moles of chlorine in 2.34 x 1019 molecules of chlorine.

A: The question is based on mole concept. we have to calculate number of moles in given molecules of…

Q: Calculate the percent by mass of nitrogen in ammonium carbonate,(NH)2CO3 A 27.8% в) 33.3 % c) 17.1%…

A: The mass percentage is determined as the summation of total mass of the element upon molar mass of…

Q: What is the empirical formula for C4H10O2? O C₂H5O O CH,O O C₂H4O O CHO2 O CHO

A: Given that, C4H10O2 Change into empirical formula ?

Q: A compound whose empirical formula is XF3 consists of 65%F by mass. What is the atomic mass of X?

A: The empirical formula for a given chemical compound is used to describe the simplest whole number…

Q: Ammonia (NH,) chemically reacts with oxygen gas (0,) to produce nitric oxide (NO) and water (H,O).…

A: Note: Since you have posted multiple questions, we are entitled to answer the first only. Please…

Q: How do you calculate the mass of Hydrogen in 12.00 g of NH3?

A: Given:Mass of NH3 = 12.00 g.Molar mass of NH3 = 17.031 g/mol.

Q: 5.2C23 molecules of hand sanitizer, ethanol (C,I IO ) is how many moles?

A: Given, Molecules of Ethanol = 23 General formula is: 1 mole has 6.023 x 1023 molecules.

Q: 4. How many molecules are in 2.5 mole H,O?

A: Any  1 mol of substance  always contains avogadro number of molecules.

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.