5) How many molecules are in 2.9 mol of C7H5N3O6?

Q: How many C4H10 molecules are contained in 9.213 g of this compound? How many hydrogen atoms?

A: Formula for calculation of number of molecules is:

Q: How many moles of chlorine are there in 0.21 moles of CCl3F?

A: Given: The moles of CCl3F = 0.21 mol One mole of CCl3F has 3 moles of Cl atoms.

Q: Howmany carbon atoms are present in one mole of 12C?

A: One mole of any substance contains: These particles may be atoms, molecules or ions.

Q: 5. How many hydrogen atoms are in 15 g of methane?

A: The answer is explained below.  Given that, the mass of methane = 15 g.  & we know the molar…

Q: What is the percent composition of nitrogen in C5H4N3?

A: The percent composition of an element is defined as the ratio of the mass of the element and the…

Q: ow many moles of H2O does 1.2 x 1024 molecules represent?

A: Given,  1.2 x 1024 molecules of H2O

Q: Consider a 6.38 mol sample of C5H8. How many atoms of H would be in this sample?

A:

Q: How many moles of carbon tetrabromide are present in 4.07 x 1022 molecules of this compound?

A:

Q: How many Oxygen are in 6.913x10^23 molecules of nitroglycerin C3H5N3O9?

A: Given question is checking our mole concept principal. In this question, number of molecules of…

Q: how many molecules of acetylene (C2H2) are in 1.79 moles of acetylene?

A: We know that according to mole concept., Number of molecules in one mole = Avogadro Number =…

Q: What is the molar mass of N2O4? Na2SO4? C6H10O2?

A: 1. Molar mass is a quantitative method to calculate the total mass of all the atoms associated for…

Q: What is the mass, in g, of one molecule of ethane, C2H6?

A: One mole of substance has Avogadro number of atoms. 1 mole of substance=6.022×1023 molecules. Number…

Q: How many oxygen atoms are in 2.50 moles of C6H12O6?

A:

Q: What is the formula mass of CaSO4·½H2O?

A: Given, Formula mass of CaSO4·½H2O = ? Note: Atomic mass of Ca = 40.078 g/mol Atomic mass of S =…

Q: How many hydrogen atoms are in 27 molecules of diborane, B₂H₆?

A: The molecular formula of diborane is B2H6 We need to find number of hydrogen atoms present in 27…

Q: 5. How many carbon atoms are in one mole of C6H1206?

A: Note : As per our guidelines we are supposed to answer first question. Please repost the other…

Q: 6. How many moles are in 4.1 x10 22 molecules of NaCI?

A: Since you have asked multiple question, we will solve the first questionfor you. If you want any…

Q: How many atoms of silicon are in 0.75 mol of disilicon hexahydride, Si2H6?

A: Moles of Si2H6 = 0.75 mol No. of atoms of Si in Si2H6 = ?

Q: How many atoms of sulfur are in 10.18 mol of tetrathionate (S4O6^-2) ion?

A: Given , Number of moles of tetrathionate ion We have to calculate number of sulfer atom in 10.18 mol…

Q: How many carbon atoms are in 200 benzene (C6H6) molecules?

A:

Q: How many moles would 1.00 x 10^23 molecules of methane(CH4) represent

A: Given  Number of molecule of CH4  = 1 × 1023 molecule  Number of mole = ?

Q: How many GRAMS of fluorine are present in 1.03×1022 molecules of dinitrogen tetrafluoride ?

A: 1) Mole in terms of entities: 1 mole = 6.022 x 1023 entities Where  Entities =…

Q: What is the total number of atoms in 1 mol of Al2(SO4)3?

A:

Q: What is the mass of 8.37x1020 molecules of lithium sulfate, Li2SO4?

A: As per Avogadro law: 1 mol of any compound = 6.023 × 1023 molecules of the compound. Molar mass of…

Q: 3.1. How many moles and how many molecules are there in 750g of a) H2 b) H2O c) H2SO4? How many…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: For the compound Glucose ( C6H12O6 ), What is the percent Oxygen in glucose?

A: We need to find the amount of oxygen present in glucose. We will calculate the given problem by…

Q: How many hydrogen atoms are in 35 molecules of diborane, B₂H₆?

A: The molecular formula of diborane is B2H6. The structure of diborane is as follows:

Q: Determine the number of molecules in 120g of pentane C5H12.

A:

Q: Determine the molar mass of CH₃OCH₃.

A: The molar mass of CH₃OCH₃ is to be calculated.

Q: What is the percent of N in N2H4?

A: Molecular weight of N = 14 g/mol Molecular weight of  H = 1 g/mol Molar mass of N2H4 = 32 g/mol…

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: What is the mass of 0.25 moles of (NH4)2SO4?

A: Mole in chemistry, is a standard scientific unit for measuring large quantities of very small…

Q: What is the mass of 0.0735 moles of ibuprofen C13H18O2?

A: We have to calculate the mass of 0.0735 mol of ibuprofen.

Q: What is the total mass of oxygen contained in 5.2 g of benzoic acid (C6H5COOH)?

A: This is mole concept reactions

Q: 2. A hydrocarbon was found to be 20% hydrogen by mass. If the molar mass is 30 g/mol, what is the…

A: Note : As per our guidelines we are supposed to answer first question. Please repost the other…

Q: Consider a 2.12 g sample of C2H2. How many molecules are in this sample?

A: Given: Weight of C2H2=2.12 g The molar weight of the C2H2=26g/mol

Q: How many moles of oxygen are in 4.42 mol H2O2?

A: A mole is a unit of measurement for the amount of substance. No. of moles of an element = Index of…

Q: How many atoms are in 3.40 moles of sugar (C12H22O11)?

A: As we know that,  1 molecule of sugar have 45 atoms (=12+22+11) 1 mole of sugar = 6.022 × 1023…

Q: How many molecules are present in 52 mg of glucose (C6H12O6)?

A:

Q: How many GRAMS of fluorine are present in 5.01×1022 molecules of sulfur tetrafluoride ?

A:

Q: How many molecules are in 2.55 mol S8?

A: The moles of sulphur is 2.55 (given)Mol → Number of molecules

Q: Determine the molar mass of CaAl2Si2O8.

A: We have to predict the molar mass of CaAl2Si2O8

Q: What is the molar mass of butanol (C4H9OH)?

A: Molecular mass is the weight of 1 mole of a compound. This is equal to the sum of the atomic masses…

Q: How many moles of sulfur dichloride are present in 4.80x1022 molecules of this compound?

A: The number of moles can be calculated from the molecules as follows:

Q: How many carbon atoms are in 545.8 g of C22H14?

A:

Q: How many atoms are present in 0.45 moles of P4O10?

A:

Q: How many molecules of water are in 6.0 g of ice, H2O(s)?

A: One mole of water contains 6.023×1023 molecules of water. The relationship between number of moles…

Q: What is the molar mass of nitroglycerin, C3HS(NO3)3?

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

Q: What is the molar mass of ammonium phosphate, whose chemical formula is (NH4)3PO4?

A: Molar mass of any compound = atomic mass of all the atoms present in the chemical formula  Since in…

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

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

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.