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

Q: How many grams are in 1.11 molecules of N2?

A: Given:-Number of molecules of N2 = 1.11 molecules  To calculate :- mass (in g)

Q: (a) Does the percent by mass of each element in a compounddepend on the amount of compound? Explain.…

A: a) In a molecule of calcium chloride, there is one calcium atom and two atoms of chlorine. The total…

Q: A beaker contains 5.75 x 1024 molecules of ethanol. How many moles of ethanol are there in a beaker?

A:

Q: A sugar crystal contains 1.8 * 1017 sucrose ( C12H22O11) molecules. What is the mass in mg?

A:

Q: What is the mass, in g, of 1.00 mol of helium atoms?

A: The mass in grams of 1.00 mol of helium atoms has to be given.

Q: How many moles of alanine, C3H7NO2, are in 159 g of alanine?

A: Given Mass of Alanine = 159 gram Number of mole = ?

Q: How many moles of C (to two decimal places) are found in 6.87 x 1024 C atoms?

A: Given,The number of carbon (C) atoms = 6.87 x 1024  C atoms.

Q: A grain of maize pollen has an average mass of 250 ng. How much would a mole of these pollen grains…

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

Q: Determine the mass in grams of 5.53 × 1021 atoms of arsenic. (The mass of one mole of arsenic is…

A: Answer:- Firstly using the given number of atoms of arsenic, moles are calculated. Then using the…

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: A student weighs out 94.53 grams of sodium permanganate, NaMnO4.  How many moles of NaMnO4 is this?…

A: Moles— It is the ratio of given mass of a compound to its molar mass  Mole = given mass / molar mass…

Q: (a) Determine the mass of sodium metal that contains the same number of moles as 87.2 g of copper…

A: (a) Determine the mass of sodium metal that contains the same number of moles as 87.2 g of copper…

Q: When 8.60 g of calcium are heated in air, 10.60 g of calcium nitride are formed. What is the…

A: We are given that 8.6 g of calcium is heated to produce 10.6 g of calcium nitride, the reaction can…

Q: How many grams of chlorine are present in 45.0 g of CCl4?

A: Answer:- This question is answered by using the simple concept of calculation of mass of any element…

Q: How many atoms of Cu are present in 35.4 g of Cu?

A:

Q: How many grams of glucose (C6H12O6) are in 3.55 moles of glucose?

A: Given  Number of mole of glucose = 3.55 mole  Mass = ?

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: What is the mass (in kg) of 692.3 moles of glucose (C6 H12 O6)?

A: The molar mass of a substance is the mass of one mole of that substance. It is determined by adding…

Q: The average nicotine (C10H14N2) content of a Camel cigarette is 1.93 mg. Suppose an individual…

A:

Q: What is the percent by mass of carbon

A: Percent by mass = (mass of C/total mass of compound) × 100%

Q: The molar mass of CCl4 is 153.81 g/mol. How many grams of CCl4 are needed to have 7.3 mol?

A: Given: Moles of CCl4=7.3 mol Molar Mass of CCl4=153.81 g/mol   To find: Mass of CCl4

Q: One mole of hydrogen peroxide, H2O2, would consist of how many molecules?

A: Given : Moles of H2O2 = 1 mol

Q: Converting Mass to Moles using Molar Mass I  A sample of chloroethane, C2H5Cl, mass of 18.5 g. What…

A: The number of moles for a given chemical species refers to the ratio of mass of the species to that…

Q: How many grams of hydrogen are in 33.9 g of CH4O?

A: Given  Mass of CH4O = 33.9 gram Mass of Hydrogen = ?

Q: What percent by mass of iron(II) phosphate is iron?

A: The molecular formula of Iron(II)phosphate is Fe3(PO4)2. Percentage by mass of any component can be…

Q: What is the total mass (amu) of carbon in each of the following molecules?(a) CH4(b) CHCl3(c)…

A: Interpretation-  To determine the total mass of carbon in ( amu) in each of the following molecules…

Q: Fullerenes are molecules composed of only carbon atoms. One fullerene is C60 a carbon molecule…

A: The number of moles of a substance is defined as the mass of the substance upon its molar mass.

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: The chemical formula for garnet is MgAl-(SiO.). What is the mass in grams of garnet that are in…

A:

Q: 15 rect. or oard. Ⓡ G #3 How many molecules are in 4.0 moles of glucose (C6H₁206)? 1 4 moles 3.58 x…

A: Given 1.839 ×1028 water molecules

Q: How many molecules of C2H6 are there in 21.4 g of C2H6?

A:

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: How many molecules are in 16.1 g of C8H10?

A: Mass of C8H10 = 16.1 g

Q: 8. How many grams does 5.02 x 1025 molecules of caffeine weigh?

A: Since, Moles is the ratio of mass to the molar mass of that atom or molecules. Also, Number of atoms…

Q: How many CHCl3 molecules are there in 24.5 gg of CHCl3.

A: The molar mass of CHCl3 is 119.5 g/mol. That is 1 mole has 119.5 g. We know that one mole has…

Q: How many moles of copper are in a 13 cm piece of wire weighing 1.109 grams?

A: The number of moles of any substance is defined as the ratio of given mass of that substance to that…

Q: In a combustion reaction, 32.4 g of hydrocarbon reacts with 96.0 g of oxygen to produce water and…

A: Given :- Mass of Hydrocarbon = 32.4 gram Mass of oxygen = 96.0 gram Mass of water = 60.6 gram To…

Q: 4.25 x 1024 atoms N converted to grams

A: We have given the atoms of nitrogen = 4.25 × 1024 atoms Avogadro's constant = 6.022 × 1023…

Q: A 69.5 g69.5 g sample of the compound X3O4X3O4 contains 19.2 g19.2 g of oxygen atoms. What is the…

A: First Calculate mas percent of oxygen in compound   Total mass of oxygen in sample is 64g  Then need…

Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.