How many moles are there in 25 g of CO2 gas? How many molecules?

Q: How many grams are present in 2.4x1045 molecules of H2O2?

A: Given :- number of H2O2 molecules = 2.4 × 1045 molecules  To calculate :- mass of H2O2 (in grams)

Q: How many grams are in 0.200 mole of CO2?

A: Number of moles = Mass in gram / Molar mass

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 40g of helium?

A: The given weight of He is 40 g.   The formula to calculate the number of moles is,

Q: how many grams are in 0.456 mole P

A: P is a symbol of phosphorus element.

Q: How many moles are in 78.9g of HCl?

A:

Q: How many atoms are in 133g of calcium? 133g=

A: Given  Mass of calcium = 133 gram  Molar mass of Calcium = 40 gram/mole Number of atom = ?

Q: How many moles of Ag are in 2.3425g of AgCl?

A:

Q: What is the total number of NO2 molecules in 0.25 mole of NO2 gas

A: Given  Number of mole of NO2  = 0.25 mole According to Avogadro's  1 mole of any substance contains…

Q: How many moles of aluminum oxide can form if 26.2 moles of Al metal react with an unlimited amount…

A: The reaction taking place is  Al (s) + O2 (g) -----> Al2O3 (s) Balancing : Since we have 3 O in…

Q: The number of molecules in a sample of NH3 weighing 8.50g?

A:

Q: how many moles are in 1x10-6 g of C7H14O2?

A:

Q: How many moles of H2 and N2 can be formed by the decomposition of 0.185 mol of ammonia, NH3?

A: The decomposition reaction of ammonia that will take place is  2 NH3 ------> N2 + 3 H2

Q: How many molecules are in 5.6g of H2O?

A: Mass = 5.6 g Molar mass of water molecule = 18.01528 g/mol

Q: How many moles of BaCl2 are present in 26.17g of BaCl2

A:

Q: how many moles are equal to 31.54 liters of CO2 gas

A: At STP  Pressure = 1 atm Temperature = 273 K Volume = 31.54 L Moles = ?

Q: How many moles of H2 gas

A:

Q: ow many moles in 56g carbon dioxide

A: To determine the number of moles in 56g carbon dioxide.

Q: How many moles are contained in 15.6 g of NH4Cl?

A: Given: Mass of NH4Cl=15.6 g  The molar mass of NH4Cl=53.491 g/mol

Q: How many oxygen (O) atoms are present in a 254 gram sample of carbon dioxide (CO2) gas?

A: Since moles of carbon dioxide = mass of carbon dioxide / molar mass of carbon dioxide molar mass of…

Q: How many molecules are in 55.3 moles of CO₂?

A: Given :-  Number of moles of CO2 = 55.3 mol  To be calculated :-  Number of CO2 molecules

Q: A 3.00 mol sample of CO2 (g) is in a rigid 6.00 L container at 400.°C. What is the mass of the…

A: Moles of a substance is expressed as- Moles = MassMolar mass

Q: How many moles are present in 35.6g of H2SO4?

A: Given the mass of H2SO4 = 35.6 g The molecular mass of H2SO4 = 98 g/mol

Q: How many moles of water are in 432g of water?

A: Given: 432 g of water. Molar mass of water= 18 g/mol We have to calculate moles of water in 432 g of…

Q: How many hydrogen atoms are in 1.0kg of water?

A:

Q: How many grams of S are in 775g of SO2?

A: The mass of SO2 is = 775 g The mass of S in this amount of SO2 is =?

Q: How many moles of Fe are in 27.5g of Fe3O4

A: The number of moles of solute is defined by the ratio of the mass of solute to the molar mass of the…

Q: How many moles are in 0.50 liters of O2

A:

Q: How many moles are in 9.50 g of co2 ?

A:

Q: How many liters of NH3 are in 1.75 moles

A: • 1 mole of any gas can takes up 22.4L of gas at Standard temperature and pressure (STP). At STP,…

Q: Convert 18.9 moles KMnO4 to grams of KMnO4

A:

Q: What is the molecular mass of this gas?  =______ g/mol?

A: Volume = 530 cm3  Volume = 0.530 L Pressure = 145 kPa 1 kPa = 0.0099 atm 145 kPa =0.0099×145 atm…

Q: How many moles of H2 are needed to react with 0.90 mol of N2?

A:

Q: Which contains more, 6.35 X10E23 molecules of sodium hydroxide or 44.32 g of sodium hydroxide?

A:

Q: 10. How many moles are contained in 106.2 g of CH42

A:

Q: What is the Molecule weight of sarin gas?

A: Given -> Sarin gas

Q: Convert 32 grams of C2H,OH to moles.

A: Ethanol is an organic chemical compound. Its chemical formula C₂H₆O. It is used as a solvent.…

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 in 15.0g of N2O? given : NA=6.022 x 10^23

A: In this question, we want to determine the number of molecules of N2O in 15.0g of N2O. How we can…

Q: How many mol would there be in 38.3 Gmol?

A:

Q: How many moles are in 46.0g of CaO?

A: mole = mass / molar mass

Q: How many grams of NH3 are needed to completely react with 12.70g of O2!

A: First convert mass into molar mass  Then use mole-mole relationship  After getting mole of Sr then…

Q: What are the number of moles in 34 g of ammonia?

A:

Q: How many moles are in 90 g of HCl?

A: Given that : Mass of HCl = 90 g Molar mass of HCl = 36.46 g/mol We have to calculate the number of…

Q: How many grams of NH 3 will contain 5.00^ * 10^ 24 NH 3 molecules?

A: 1. In physical chemistry, mole is used for the measurement of quantity or atoms or molecules in…

Q: How many grams are in 2.35 mol of carbon dioxide (co2) gas?

A: Given, mole of carbon dioxide = 2.35 mol Molar mass of CO2 = 12g/mol + 2(16g/mol)12 + 3244 grams/mol

Q: How many grams are in 4.6 moles of MgS?

A:

Q: How many moles of oxygen (O2) are in 20 grams of oxygen (O2) gas?

A: Numbers of a moles-The mass of a substance that contains 6.023 x 1023 particles of the substance.…

Q: A gas sample contains 16.0 g of CH4, 16.0 g of O2, 16.0 g of SO2, and 33.0 g of CO2. What is the…

A: Stoichiometry is mainly based on the calculation of moles and volumes. These two values are used to…