How many hydrogen atoms are in a 12.2g sample of ammonia (NH3)?

Q: How many total atoms are in 0.610 g of P2O5?

A: Given,Mass of P2O5 = 0.610 gMoles of P2O5 can be calculated as:

Q: 7. How many moles are in 1.2 x 1024 molecules of HCI? 5 6

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Q: 5. How many molecules are in 1 mole of TNT C,H̟N,O,? 6. How many thallium atoms in 1 mole? 7. How…

A:

Q: How many potassium atoms are in 0.986 g of potassium iodide?

A: Given, mass of KI = 0.986 g  One mole of any substance contains 6.023 x 1023 ions/molecules/atoms.

Q: What is the mass of oxygen atoms are in 4.36g of FeSO4?

A:

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: How many atoms are contained in in 3.62 mol O2 ?

A: It is known that 1 mole of a substance is equal to 6.022×1023 atoms. The given molecule is O2. In…

Q: How many moles of NH3 are present in 4.98 g of the compound?

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Q: A sample of the compound shown below contains 5.22 g of nitrogen. How many grams of oxygen does it…

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Q: What is the mass in grams of 6.49 × 10²⁵ molecules of Br₂?

A: Avogadro’s number is the number of particles present in one mole of any substance, which has a value…

Q: What is the % composition of chlorine in KCI?

A:

Q: How many chlorine atoms are in 12.2 g of CCl4?

A: To solve this problem we have to first calculate the number of mole of CCl4 then we will calculate…

Q: How many moles are in 2.56 x 10-4 grams of Fe2O3?

A:

Q: How many moles of each element are in one mole of Be(OH)2?

A: Given, One mole Be(OH)2  Firstly check all the elements present in in Be(OH)2 If it is given that…

Q: If a sample of Ca(OH)2 is found to contain 5.34 mol of OH" ions how many moles of Ca?+ ions are…

A: Given: moles of OH- ions = 5.34 mol

Q: How many molecules are there in a 5.13-mg sample of chlorine trifluoride

A: The formula of chlorine trifluoride is ClF3  Hence the molar mass of ClF3 = Atomic mass of Cl + 3 X…

Q: How many grams of sugar C12H22011 that consists of 1.25 x 1024 atoms of hydrogens? Molar mass of…

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Q: A compound is composed of element X and hydrogen. Analysis shows the compound to be 80% X by mass,…

A: Given data :- A compound is composed of element X and hydrogen. Analysis shows the compound to be…

Q: (b) The number of moles of potassium that contains 8.93 × 104 atoms. x 10 mol

A: Given  Atoms of potassium = 8.93 x 1025  To find = number of moles of potassium

Q: 9. How many moles are in 6.25 x 1023 molecules of potassium chloride?

A: Since you have posted multiple questions, we will solve only first question for you. If you want any…

Q: How many molecules are contained in a 325-mg tablet of aspirin (C 9H 8O 4, molar mass 180.2 g/mol)?

A: Aspirin is an antipyretic and anti-inflammatory drug and is widely used as an antiplatelet agent. It…

Q: If a sample of ammonium sulfate weighs 4.23 g. How many ammonium ions are in that sample?

A: 1 mole = 6.022×1023 [Avogadro's number]  Molar mass :-  The mass of one mole of molecules of a…

Q: How many hydrogen atoms are there in a 346 g sample of pure ammonia (NH3)?

A: Number of mols = Mass/molar mass 1 mol = 6.0224 x 1023 Given that: Mass of ammonia (NH3) = 346 g…

Q: How many atoms of hydrogen are in 132 g of (NH4)2HPO4?

A: Given: 132g of (NH4)2HPO4 The given grams of (NH4)2HPO4 is converted into moles as follows,

Q: How many atoms in 4.93  mol O2?

A: One molecule of O2 contains two oxygen atoms. According to the Avogadro concept, we know that one…

Q: A sample of rubbing alcohol solution contains ethanol, C2H5OH(l). If the sample contains 1.25 × 1023…

A: Given;

Q: How many moles of molecules are in a 2.69E0 gram sample of nitrogen monoxide?

A: As number of moles (n) are the ratio of the mass of compound in grams (g) and the molecular weight…

Q: How many molecules are in 25 grams of AI(OH)3

A: 1 mole of any compound contain Avogadro number 6.022×1023of molecules.  Here we have to find the…

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: Calculate the mass of NaOH in 0.2 moles of NaOH

A: We have given that Mole of NaOH = 0.2 mole Molar mass of NaOH = 40.0g/mole

Q: How many grams of BaSO4 are in 8.61 x 1022 molecules of BaSO4?

A: Avogadro's  number gives the number of atoms, molecules or ions in one mole of the substance and it…

Q: How many molecules are in 77.2 moles of CO₂?

A:

Q: How many aluminum atoms are in 25.0 grams of aluminum oxide, Al2O3?

A: The formula of the given compound is Al2O3. One mole of Al2O3 contains two moles of Al atoms.

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: How many moles of Ag are in 47.6 grams of Ag2O?

A: Number of moles can be calculated as: Moles = massmolar mass The given information is: Mass of Ag2O…

Q: How many atoms are in 1.45 g of Ag

A: Mass= 1.45g Molar mass= 108 Mole=mass÷molar mass Mole=1.45÷108=0.013 Atoms = mole×6×1023…

Q: How many atoms of hydrogen are in 230  g of hydrogen peroxide ( H2O2)?

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Q: How many calcium atoms are in 1 g of CaO?

A:

Q: How many nitrogen atoms are in 12.3g of Ca(NO3)2 ?

A: Here, we have to find the number of nitrogen atoms in 12.3 g of Ca(NO3)2.

Q: How many moles of O2 molecules are present in a 2.00 mole sample of SO2Cl2 ?

A: A compound is a pure substance. And according to the Law of Constant Proportions, the elements…

Q: How many molecules are in 2.49x10^3 g of CuSO4?

A: Given mass of CuSO4 = 2.49x103 g According to Avogadro's Number  1 mole=6.02×1023 molecules  molar…

Q: What is the percent by mass of phosphorus in PCI3?

A:

Q: What number of Fe atoms and what amount (moles) of Fe atoms are in 500.0 g of iron?

A: Number of moles of iron in the given mass of iron is calculated as:

Q: How many moles of water, H2OH2O, contain 2.0×10222.0×1022 molecules of water?

A: Mole is the unit of  measurement  for  amount of substance

Q: What amount (mol) of Rb is present in a sample containing 3.15×1025 atoms?

A: Given,Number of atoms in a sample = 3.15 × 1025 atomsWe know that, 6.022 × 1023 atoms are in 1 mole…

Q: How many total atoms are in 0.630 g of P2O5?

A: Given: Mass of P2O5 = 0.630 g Molar mass of P2O5 = 141.9445 g/mol.

Q: Approximately how many molecules of H2O are in one spoonful of water, assuming that the spoon holds…

A: Given, a spoon holds about 18 mL of water.we are asked to calculate the number of water molecules in…

Q: How many total atoms are in 0.550 g of P2O5?

A: Given: Molecular formula of phosphorus pentaoxide is P2O5. Mass of P2O5 =0.550 g Number of atoms in…

Q: Consider a 3.570 g sample of C4H10. How many molecules are in this sample?

A: Mass of C4H10 = 3.570 g       Molecular mass of butane (C4H10)=…