Your question: Which value gives the number of particles in 1 mole of a substance quizlet?

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Which value gives the number of particles in 1 mol of a substance?

One mole of a substance is equal to 6.022 × 10²³ units of that substance (such as atoms, molecules, or ions). The number 6.022 × 10²³ is known as Avogadro’s number or Avogadro’s constant.

What term describes the number of particles in 1 mole of a substance?

One mole of any substance contains Avogadro’s number of particles, so 22.4 L of any gas at STP contains 6.02 x10^23 represenative particles of that gas.

What is the molar mass of a substance quizlet?

Terms in this set (10) The molar mass is the mass of a given chemical element or chemical compound (g) divided by the amount of substance (mol). The molar mass of a compound can be calculated by adding the standard atomic masses (in g/mol) of the constituent atoms.

Which answer choice best describes the number of particles in a mole?

Which statement best describes a mole? It contains 6.02 x 10^23 particles of a given substance.

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Which value gives the number of particles in 1?

The numeric value of the Avogadro constant expressed in reciprocal mole, a dimensionless number, is called the Avogadro number, sometimes denoted N or N, which is thus the number of particles that are contained in one mole, exactly 6.02214076×1023.

What can be said about 1 mol Ag and 1 mol AU?

Avogadro’s number. What can be said about 1 mol Ag and 1 mol Au? … They contain the same number of atoms.

How many particles are there in 1 mole of any type of compound?

A mole (mol) is the amount of a substance that contains 6.02 × 10 23 representative particles of that substance.

Why is a mole 6.022 x10 23?

The mole (abbreviated mol) is the SI measure of quantity of a “chemical entity,” such as atoms, electrons, or protons. It is defined as the amount of a substance that contains as many particles as there are atoms in 12 grams of pure carbon-12. So, 1 mol contains 6.022×1023elementary entities of the substance.

What is the numerical value of mole?

One mole contains exactly 6.022 140 76 x 1023 elementary entities. This number is the fixed numerical value of the Avogadro constant, NA, when expressed in the unit mol–1 and is called the Avogadro number.

How does the number of molecules in 1 mole of oxygen?

One mole of oxygen gas, which has the formula O2, has a mass of 32 g and contains 6.02 X 1023 molecules of oxygen but 12.04 X 1023 (2 X 6.02 X 1023) atoms, because each molecule of oxygen contains two oxygen atoms.

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What is the mass of one mole of an ionic compound?

The molar mass of an element (or compound) is the mass in grams of 1 mole of that substance, a property expressed in units of grams per mole (g/mol) (see Figure 4).

The Mole.

Element Cl 33.45 33.45 6.022×1023