What is the mass of a single bromine molecule, Br 2?

Q: What is the mass in kilograms of 5.6 x 1027 molecules of carbon tetraiodide?

A: Number of moles of a compound is equal to the ratio of the given mass of the compound to the molar…

Q: What is the mass of 3.66 moles of N2 ?

A: Given : number of moles of N2 = 3.66 mol  To calculate :- mass of N2 (in g)    Number of moles =…

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: What is the mass of 4.50 * 10 ^22 Cu atoms?

A: Number of moles of Cu is determined as follows,

Q: How many bromine molecules, Br2, have a mass equal to 31.8 g?

A: 1.20 *10^23 molecules.

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 much would 2.4 x 1024 molecules of N2O5 weigh?

A: Given- number of Molecules =2.4 ×10^24 molecules

Q: What is the mass of 3.119 moles of Ca(OH)2? a.  231.1 g b. 462.1 g d. 74.10 g c. 4.209 x 10^-2 g

A: Given, moles of Ca(OH)2 = 3.119 moles. We have to calculate how many grams of Ca(OH)2 are present…

Q: How many grams of CH3CO2C5H11 must be weighed out to provide 3.22 x 1023 atoms of H? When you input…

A: Mole in terms of particles : 1 mol = 6.022 x1023 particles  where particles =…

Q: What is the mass of 5.58 x 10^23 molecules of carbon tetrachloride?

A:

Q: What is the mass of 4.06 moles of sodium atoms?

A:

Q: What is the mass of 4.27 moles of lithium nitrate?

A: Mass = Number of moles x Molar mass Molecular formula: Ti(NO3)4 Molar mass of Ti(NO3)4 = 295.89…

Q: what is the mass of 4.50 × 1025 O3 molecules?

A: Mole can be defined as a standard unit for measuring large quantities of very small entities such as…

Q: What is the mass in 3.52 x 10^23 water molecules?

A: mass of 3.53 ×1023 molecules is 10.45g

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: What is the mass, in grams, of each of the following samples? a.) 2.75 mol of iron, Fe  b.) 0.115…

A: Mole of solid sample is calculated by below formula,

Q: White sand is made of silica (silicon dioxide, or SiO2), which has a density of 2.20 g/cm³. How many…

A:

Q: 9.21 x10^19 molecules of hydrogen gas,(H2) are equal to how many grams of hydrogen gas?

A: Number of molecules = 9.21 × 1019 molecules Avogadro’s constant = 6.022 × 1023 molecules Numbre of…

Q: What is the mass % of H in C9H10N2?

A: Mass percentage is a kind of expressing the concentration of a solution. It gives an information…

Q: What mass (in g) does 3.99 moles of Kr have?

A: Given:Number of moles of Kr = 3.99 molesMolecular mass of Kr is known(from the periodic table) =…

Q: What mass of ethanol (C2H6O) would contain 7.0 x 1026 atoms of carbon?

A:

Q: How many grams do 2.2 × 1024 atoms of magnesium

A: Solution - The molar mass of Mg =  24 g / mol therefore 1mol of Mg atoms weight =24 g Mass of 2.20 ×…

Q: 4. A chemist has a sample of propanol, C3H;OH, that contains 9.2 x 1024 molecules. What is the mass…

A:

Q: How many grams of sugar C12H22O11 that consists of 1.25 x 1024 atoms of hydrogens?

A: Given that ; We have to determine the mass of sugar (in g) that consists of 1.25 x 1024 atoms of…

Q: H,O, + HgO - H,0 + 0,+ Hg How many atoms of H,0, are in 5.36 x 102 atoms of HgO?

A: Given, the chemical reaction as follows,H2O2+HgO→H2O+O2+Hgnumber of atoms of HgO =5.36×1022 atomswe…

Q: How many grams does 3.5 × 10²⁵ molecules of H2SO4 weigh?

A:

Q: What is the total mass of hydrogen in each of the molecules?(a) CH4(b) CHCl3(c) C12H10O6(d)…

A: Mass of an atom of hydrogen is 1 g/mol.

Q: What is the mass, in grams, of Vitamin C (C6H8O6) that contains 1.076 grams of carbon?

A: Molar mass of C = 12.01 g/mol mass(C)= 1.076 g number of mol of C, n = mass of C/molar mass of C…

Q: Determine the mass (in grams) of aluminum present in 1.08 grams of Al2S3?

A: Molar mass of the elements is equal to the sum of the atomic masses of all the elements. Molar mass…

Q: What is the mass of 5.83 ×1017 molecules of liquid propane, C3H8?

A: Given, Number of molecules of C3H8 = 5.83 x 1017  Molar mass of C3H8 = 44.1 g/mol First, we find the…

Q: Given that 4NH3 + 5024NO+ 6H2O, if1.92 X 10 molecules NH were made to react with an excess of oxygen…

A: Given,  4NH3 + 5O2 ➝ 4NO + 6H2O Number of molecules of NH3 react = 1.92 × 1021 molecules Excess…

Q: How much does 8.44 x 1063 molecules of water weigh?​

A: Molecular weight of water =18g/mol i.e. 1  mol of water (6.023 x 1023 molecules) of water has mass…

Q: What is the average mass of a single phosphorus atom in grams? mass: TOOLS x10

A: The atomic weight of Phosphorus atom (P) = 30.974 g/mol  1 mol means 6.022 × 1023 atoms  ? mol means…

Q: How many moles of iron are present in 3.15 x 10 24 atoms of iron?

A: Number of atoms of iron = 3.15 × 1024 atoms.  Number of moles of iron = ?

Q: A 67.2-g sample of a gold and palladium alloy contains 2.49x10^23 atoms. What is the composition (by…

A:

Q: A sample of trifluoroacetic acid, C,HF,02, contains 25.3 g of fluorine. Calculate the mass of the…

A: One molecule of C2HF3O2 contains 2 atoms of carbon, 1 atom of hydrogen, 3 atoms of fluorine and two…

Q: 7. What is the mass in grams, of Vitamin C (C6H8O6) that contains 1.076 grams of carbon?

A: Given mass of Carbon = 1.076 g Molar mass of Carbon = 12.01 g/mol Molar mass of C6H8O6 = 176.12…

Q: If a sample of N2O4 contains 19 g of nitrogen (N), how many moles of N2O4 are in that sample?

A: Since in 1 mole of N2O4 we will have 2 moles of N Hence moles of N2O4 = moles of N / 2  Since moles…

Q: How many atoms of hydrogen are there in 1 kg of methane (CH4)?

A:

Q: Part B Magnesium makes up 2.10 % by mass of the Earth's crust. How many grams of magnesium are…

A: Mass percent :-  The mass of a component in grams present in 100 grams mixture of all components is…

Q: What is the mass of 2.49 x 1022 of CH4 molecules?  ( 1 mole = 6.02 x 1023)

A: Calculate the number of moles of methane.

Q: How many moles of C,H, contain 4.96 x 10 24 hydrogen atoms?

A: The number of moles of C3H8 required can be calculated by using the unitary method. C3H8 (propane)…

Q: A sample of trifluoroacetic acid, C2HF3O2, contains 60.9 g of oxygen. Calculate the mass of the…

A: Sample of trifluoroacetic acid molecular weight                          = (12× 2+ 1+ 3×19+ 16×2) g…

Q: Calculate the number of grams in 1.5 x 10^16 atoms of sulfur

A: Since moles = number of atoms / Avogadro's number  Avogadro's number = 6.022 X 1023  And number of…

Q: How many moles are in 4.5 x 10^22 atoms of Cu?

A:

Q: 6.61 x1019 molecules of hydrogen gas,(H2) are equal to how many grams of hydrogen gas?

A: SOLUTION 6.022×1023 molecules of H2 gas is equal to 1 mol of H2 gas. 1 molecule of H2 gas is…

Q: Phosphorus is obtained primarily from ores containing calcium phosphate. If a particular ore…

A: Given information: The mass percent composition of calcium phosphate is 57.8% The amount of…

Q: H,O, + HgO → H,0 + 0, + Hg How many atoms of H,O, are in 5.36 x 1022 atoms of HgO?

A:

Q: How many H atoms are there in 40 molecules of C6H6?

A: Given that, 40 molecules of C6H6

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.