How many atoms of oxygen are there in 23.0 g of sodium nitrate?

Q: What is the mass, in grams, of 8.52 × 10 15 atoms of gold present in one nanoparticle?

A: given, atoms of gold present in one nanoparticle = 8.52 × 10 15 atoms the molar mass of gold, Au =…

Q: Suppose you have a sample of sodium weighing 11.50 g. How many atoms of sodium are present in the…

A: Given,Sodium weight 11.50 gMolar mass of sodium 22.989769 g/ mole

Q: How many atoms of O there in 30.6 grams of cadmium (II) phosphate?

A: Ans : 2.79 × 1023 atoms of O

Q: How many moles of nitrogen atoms are there in 0.500 mole of NH3?

A: We have to calculate the moles of nitrogen atoms.

Q: How many moles of Al are there in 41.5 grams of Al?

A: Since number of moles of atom = mass of atom / Atomic mass of atom

Q: How many moles are there in 2.75 x 10^24 atoms of copper?

A: we know that one mole of copper contain Avogadro's number of atoms Avogadro's number= 6.023 × 1023

Q: What is the mass, in grams, of 557 copper atoms?

A: Given, number of atoms of copper =557 we are asked to calculate the mass (in grams) of 557 copper…

Q: How many atoms of hydrogen are there in NH4+?

A: Given-> (NH4)^+

Q: How many atoms are there in a 4.0-g copper coin?

A: Given: Mass of copper coin=4.0 g To find: Number of atoms

Q: How many grams of gold are there in 0.449 moles of gold?

A:

Q: Manganese is a transition element essential for the growth of bones. What is the mass in grams of…

A: 1 mol  = 6.022 × 1023 atoms 1 atom   =   1 / 6.022 × 1023 atoms   Mass in grams = Moles × Molar mass…

Q: How many MOLES of oxygen are present in 2.83×1022 molecules of dinitrogen monoxide ?

A: Given,  2.83×1022 molecules of dinitrogen monoxide.

Q: How many Mn atoms are there in 2.63 moles of Mn?

A: 1 mol consists of 6.022×1023 atoms

Q: What is the mass of 4.06 moles of sodium atoms?

A:

Q: How many moles would there be in 500 atoms of silver?

A:

Q: How many moles of gold are there in 1.20 ounces of gold?

A: Moles of any substance can be defined as the ratio of mass of substance and the molar mass of…

Q: How many grams are there in 2.10 moles of sodium (atomic mass = 23g/mol)?

A: We know that,  Number of moles = mass / molar mass

Q: How many calcium atoms are in 16.2 g of calcium?

A: The number of atoms in 16.2 g of calcium has to be given, We know that the atomic number of calcium…

Q: How many molecules of ammonia would there be in 22.7 grams of ammonia, NH3?

A: Given: Mass of ammonia = 22.7 g

Q: How many atoms are there in 5.10 moles of sulfur (S)?

A: Number of sulfur (S) atoms = moles x Avogadro's number  Number of sulfur (S) atoms = 5.10 x 6.022 x…

Q: How many atoms of Cl are there in 17.34 μg of CaCl2?

A:

Q: How many ATOMS of sulfur are present in 3.39 grams of sulfur tetrafluoride ?

A:

Q: How many grams of oxygen are there in 58.0 grams of HClO2?

A: The amount of oxygen present in 58 grams of HClO2 is 27g.

Q: How many atoms are there in 0.500 moles of Sodium?

A: The number of moles of sodium = 0.500 mol. The number of atoms present in 1-mole of sodium = 6.023…

Q: How many sulfur atoms are there in 125 grams of copper (II) sulfate?

A:

Q: 2. How many moles of carbon dioxide are there in 443.5 grams?

A:

Q: 9. How many grams are in 3.01 x 1023 atoms of carbon?

A:

Q: How many atoms of copper are there in 0.0075 g of copper?

A:

Q: How many atoms are there in 350 g of arsenic?

A: Number of moles = mass/molar mass  1 mol = 6.022 × 1023 atoms

Q: How many atoms are in 20.5 g of carbon-12?

A: We know that, 1 Mole = 6.023 X 10^23 Atoms / Molecules /Ions Number of moles = Given mass / Molar…

Q: Calculate the mass, in grams, of 602 atoms of cesium, Cs (1 mol of Cs has a mass of 132.91 g).

A: Given information: 602 atoms

Q: 7. How many grams are in 2.38 x 1022 molecules of ammonia (NH,)?

A:

Q: What is the mass of 4.78 X 1024 NO2 molecules?

A: Given :-  Number of molecules of NO2 = 4.78 X 1024  To be calculated :- mass (in g)

Q: How many grams of oxygen are there in 58.0 grams of HCIO2?

A: Here we are asked to calculate the mass of oxygen in 58.0 gram of HClO2molar mass of  HClO2 =68.5…

Q: How many Ge atoms are there in 3.96 moles of Ge?

A: The formula we are going to use is Number of atoms of any element = number of moles X Avogadro's…

Q: How many atoms of hydrogen are there in 1 kg of methane (CH4)?

A:

Q: How many grams of Copper are in 9.03 x 1023 atoms of Copper (Cu)?

A: we have to calculate mass of copper in                               9.03×1023 atoms of copper…

Q: What is the mass, in g, of 4.54 mol of cadmium atoms?

A: The mass of the Cadmium atoms can be calculated asMolar mass of cadmium atom is 112.411 g/molMass =…

Q: How many atoms of nitrogen are there in a sample of (4.80x10^2) grams of N2(g)?

A:

Q: How many atoms of iron are there in 2.01 moles of wolframite, FeWO4?

A: Given,Moles of FeWO4 = 2.01 mol1 mole of FeWO4 contains 1 mole of iron (Fe). Therefore, 2.01 moles…

Q: How many oxygen atoms are there in 1.55 g of Ca;(PO,),?

A: Given, Mass of Ca3(PO4)2 = 1.55 g Number of oxygen atoms are there in 1.55 g of Ca3(PO4)2 =? Note:…

Q: Calculate the mass, in grams, of 982 atoms of cesium, Cs( 1 mol of Cs has a mass of 132.91 g).

A: Concept: The mass of one mole of the atom is known as molar mass. The molar mass of cesium is 132.91…

Q: How many hydrogen atoms are in a 12.2 g sample of ammonia?

A:

Q: How many atoms of hydrogen are there in a sample of (9.60x10^2) grams of CH4(g)?

A: The number of moles of a substance is defined as the ratio of mass to molecular mass.  So, The…

Q: If the mass of a pure silver (Ag) coin is 15 g, then how many Ag atoms are present in this coin?

A:

Q: How many molecules are there in 87.4 g + grams of ammonia, NH3?

A: 1 mole = 6.022×1023 [Avogadros number ]  The mass of one mole of molecules of a substance is called…

Q: 2. In 4.23 moles of nickel, how many atoms will you have?

A: Answer 2)  Number of moles of Nickel = 4.23 moles Number of atoms = ?

Q: Small amounts of platnium are used in automotive spark plugs. What is the mass, in grams, of 3.21 x…

A: Since moles = number of atoms / Avogadro's number  And Avogadro's number = 6.022 X 1023  And moles…

Q: Find the mass, in grams, of 2.00 10 molecules of F,

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