How many atoms are in a 23.7 mol sample of gold?

Q: What is the mass, in g, of 15.0 mol of silver?

A: A mole corresponds to the mass of a substance that contains 6.023 x 1023 particles of the substance.…

Q: A sample of chlorine has a mass of 49.4 grams. How many Cl atoms are there in the sample?  atoms…

A: Chlorine mass of  = 49.4gm Calculate the  =  1 - how many cl atom of sample  2 - how many cl2…

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 of gold is 2.56 x 1026 atoms of gold

A: 1 mole = 6.022×1023 [ Avogadro's number ] Anything with this number is said to be one mole For…

Q: How many molecules of sulfur trioxide are in 78.0 grams?

A: Given , mass of SO3 = 78.0 g Molar mass of SO3 = 80.06 g/mol

Q: How many moles are present in 89.24 grams of copper?

A: The first step in this calculation is to identify the molar mass of copper. The molar mass of an…

Q: The atomic mass of aluminum is 26.982u. How many alluminum atoms are in a 4.55g sample of aluminum?

A: Mass of aluminium sample=4.55 g The atomic mass of aluminum =26.982 u Moles of aluminium=4.5526.982…

Q: mass in grams

A:

Q: how many chlorine atoms are in those 20.3 grams of carbon tetrachloride?

A:

Q: What is the mass of oxygen in a 782.9g sample of TiO2?

A: Step : 1          What is the mass of oxygen in a 782.9g sample of TiO2?

Q: Four moles of sulfur dioxide, SO2, would consist of how many molecules?

A: The number of molecules of a substance present in one mole is known as its Avogadro number, its…

Q: How many oxygen atoms are contained in a 5.525 g sample of calcium phosphate?

A: First of all, we will calculate the no. of moles of calcium phosphate in 5.525 g of sample and then…

Q: How many hydrogen atoms are in 35.0 grams of hydrogen gas?

A: Molar Mass of Hydrogen (H) = 1.00784 g/mol Molar Mass of Hydrogen gas (H2) = 2×1.00784=2.01568 g/mol…

Q: Suppose you have a sample of sodium weighing 12.40 g. How many atoms of sodium are present in the…

A: A: 3.25 x 1023 atoms of sodium B: 21.1 g of potassium

Q: Which of the following has greater mass: 2 atoms of mercury or 3.41 × 10-23 mol of beryllium? 3.41 ×…

A:

Q: What is the mass of 500 gold atoms in grams?

A:

Q: How many grams of carbon are in 402.1 g of carbon tetrachloride?

A:

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

A: Information of question ,

Q: If you have a ring that contains 1.94 g of gold, how many moles of gold are in that ring?

A: Number of moles = mass / molar mass

Q: How many moles are there in 189 grams of silver?

A: Given, 1. Mass of silver (Ag) = 189 g     Molar mass of silver = 107.9 g/mol 2. 1 mol of sodium.

Q: how many atoms of Na are in 48g of Na?

A: Molar mass of a compound ican be defined as the mass of compound divided by the amount of that…

Q: how many atoms are in 102.1 g of sodium?

A:

Q: How many atoms of Cu are in 5.78 moles of Cu?

A: 1 mol of a substance contains 6.022 × 1023 atoms

Q: How many calcium atoms are in 62.8 gg of calcium?

A: Given mass of Calcium =62.8 gram  Number of calcium atom =?

Q: How many atoms are in 41.0 grams of potassium?

A:

Q: How many moles of potassium nitrate are there in 50.0 g of potassium nitrate?

A: Given data contains, Mass of potassium nitrate is 50.0 g. The formula to calculate the moles of a…

Q: How many atoms are in 127 g of calcium?

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

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.