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

Q: How many moles are contained in 13.8 g of BaCl2 • 2 H2O?

A: Formula to calculate the number of moles of a substance is as follows: Number of moles = mass of a…

Q: How many molecules are in 63.1 moles of CO₂?

A: 1 mole equals to 6.022 x 1023 particles (such as molecules,  atoms, or ions).

Q: How many hydrogen atoms do 27.0 g of H2O contain?

A: In every molecule or substance for one mole of it, there will be 6.022×1023 units of it. This is the…

Q: How many molecules are in 119.78g of C4H10?

A: Given weight = 119.78 gram

Q: 2 Mg(s) + 3 N2 (g) --> 2 MgN3 (s) How many moles of N2 will be used to produce 115 grams of MgN3?

A: The given reaction is,             2 Mg(s) + 3 N2 (g) --> 2 MgN3 (s) We have, mass of MgN3 = 115…

Q: What number of  atoms and what amount (moles) of  atoms are in 800.0 g of zinc?

A: Given : mass of Zinc = 800 g

Q: a 50.0 g sample of lead oxide PbO2 contains how many moles?

A:

Q: How many molecules are in 68.8 moles of CO₂?

A: No. Of CO2 molecules= 4.14× 1025

Q: How many moles of O are present in 7.89 g of acetic acid?

A: In  1 mole of acetic acid there are  2 moles of oxygen,              CH3COOH = 12 + 3*1 + 12+ 2*16+…

Q: How many sodium atoms are present in 17.06g of NaCl?

A: Given : Mass of NaCl = 17.06 g Molar mass of NaCl = Atomic mass of Na + Atomic mass of Cl  =>…

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 moles of BaCl2 are present in 26.17g of BaCl2

A:

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 moles of H2 would be produced

A: Given :- number of moles of Al = 16.0 mol To calculate :- number of moles of H2 produced

Q: How many molecules are present in 1.36 g of AgNO3?

A: Given : Mass of AgNO3 = 1.36 g

Q: How many moles of bromine atoms are present in a sample that contains 4.53 moles of BBr3 ?

A: From any molecular formula of any molecule, we can determine the moles of each atoms present in it.…

Q: A 30.6 g sample of the compound X,O3 contains 14.4 g of oxygen atoms. What is the molar mass of…

A: According to the question, mass of O-atoms = 14.4 gAs per the mole concept:

Q: how many moles of carbon are in 1.0 g of CO2

A: Given;

Q: How many moles would contain 12.0 g of P?

A: Introduction: As per the International system of units (SI), the moles is the unit of measurement…

Q: How many molecules (not moles) of NH3 are produced from 7.42×10−4 g of H2?

A: To obtain the number of molecules, first of all the reaction for the production of NH3 should be…

Q: How many moles of propylene (C;H6) are in 25.0 g of the substance?

A: Given :-  Mass of C3H6 = 25.0 g  To calculate :-  Number of moles of C3H6

Q: Flask A contains 1.00L of NH3 Flask 2 contains 1.00L of NO2 and flask 3 contains 1.00L of N2 which…

A:

Q: A sample of CH 3 F contains 2.71 * 10 ^ 24 molecules. How many moles of CH 3 F are present?

A: Since moles of any molecule = number of molecule / Avogadro's number  Avogadro's number = 6.022 X…

Q: how many atoms are contained in 2.22 mol O2

A: Given information is as follows: The number of moles of oxygen O2=2.22 mol As we know that 1 mol of…

Q: How many atoms of BaSO4 are in 41.3 g of BaSO4

A: The number of atoms of a compound = moles * Avogadro number where Avogadro number = 6.02214076×10²³…

Q: How many moles of O are present in 12 g of CO?

A: Given information is as follows:         The mass of CO given = 12 g The moles of O present in CO =…

Q: How many number of moles are present in 100 g of CaCO3?

A: The number of moles of a compound can be calculated by the ratio between mass of the compound to its…

Q: How many moles are present in 19.4 g of N2 and 19.4 g of F2?

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

Q: How many grams of carbon are present in 0.75 mole of aluminum carbonate

A:

Q: Given the following chemical equation: 2 Mg(s) + 3 N2 (g) --> 2 MgN3 (s) How many grams of N2 will…

A: Solution:The given chemical reaction is,2Mg(s) +3N2(g) →2MgN3(s)The values provided in the question…

Q: determine the number of molecules in 40.0 grams of co2?

A: Given, The grams of the CO2 = 40.0 grams. The molecular weight of CO2 = 44..01 g/mol The number of…

Q: What mass in grams of TNT can be made from 598 g C7H8?

A:

Q: What is the amount of H present in the original sample, in moles?

A: We have moles of H2O in the compound = 0.00610   (= Given mass of water (0.110 g) divided by the…

Q: A molecule was determined to have a molar mass of 88.3 g/mol.  How many moles of the compound are in…

A: Mole Mole is a quantity that represents a collection of 6.022×1023 atoms or molecules. The term…

Q: How many moles of oxygen atoms are present in a sample that contains 3.24 moles of NO2?

A: 1 mol of NO2 contains 2 moles of Oxygen atoms.  Given moles of NO2 = 3.24

Q: How many molecules of CO2 are present in 0.6642 moles of CO2?

A: Generally, 1 mole has 6.022 x 1023 molecules with it.

Q: What mass of lead (II) iodide is produced from 3.65 mol of potassium iodide?

A: As you have not provided the reaction hence, reaction can be like this – 2 KI + Pb (NO3)2 →PbI2 +…

Q: Calculate the number of moles of KCl in 38.2 g of KCl

A: Answer The no.of moles of KCl = 0.5124 moles

Q: How many molecules are present in 18.5 g of CH3CH2OH?

A: The mole concept is used for explaining the concentration of atoms molecules or ions in a solution.…

Q: how many molecules are present in 0.340g of lead (IV) phosphate?

A: The number of molecules in 0.340g of lead (IV) phosphate are to be calculated. The mass of compound…

Q: What number of atoms is present in 4.9 mol of NaOH?

A:

Q: How many atoms are in 2.00 mol of H2?

A: Given : no.  of moles of H2 = 2.00 mol  To calculate : number of atoms

Q: How many molecules (not moles) of NH3 are produced from 8.33×10−4 g of H2?

A: The balanced chemical reaction for the formation of NH3 from H2 and N2 can be written as follows:

Q: How many total atoms are in a 0.400 g of P2O5?

A: Given, 0.400 g of P2O5

Q: How many atoms of Hydrogen are contained in 36 g CH3CH2OH?

A: Moles of ethanol is calculated as follows,

Q: How many moles of carbon are in a 0.58g of diamond?

A: Given: Mass of diamond = 0.58 g As, diamond is entirely made up of carbon, therefore mass of carbon…

Q: How many moles of pentane, C5H12, are contained in a 27-g sample?

A: ⊙No. of moles = massmolar mass⊙Molar mass of pentane(C5H12)=5×atomic mass    of carbon +12×atomic…

Q: How many grams of calcium phosphate contains 2.15 moles?

A: Given :- number of moles of calcium phosphate =  2.15 mol  To calculate :- mass of calcium phosphate…

Q: how many atoms are present in 1.694g of cobalt(II) hypochlorite?

A: Given : Mass of cobalt (II) hypochlorite i.e Co(ClO)2 = 1.694 g Each molecule of Co(ClO)2 contains,…

Q: How many molecules are in 5.0 moles of water?

A: