Calculating Molar Mass

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What is molar mass?

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The molar mass is the mass of one mole of a substance, typically expressed in grams per mole (g/mol). It is calculated by summing the atomic masses of all atoms in a molecule.

Tags

NGSS.HS-PS1-7

Front

How do you calculate the molar mass of a compound?

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To calculate the molar mass, identify the number of each type of atom in the compound, multiply by the atomic mass of each element, and sum the total.

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What is the atomic mass of Carbon (C)?

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The atomic mass of Carbon (C) is approximately 12.01 g/mol.

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What is the atomic mass of Oxygen (O)?

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The atomic mass of Oxygen (O) is approximately 16.00 g/mol.

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What is the atomic mass of Hydrogen (H)?

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The atomic mass of Hydrogen (H) is approximately 1.01 g/mol.

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How many atoms are in one mole of a substance?

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One mole of a substance contains 6.022 x 10^23 particles (atoms, molecules, etc.), known as Avogadro's number.

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How many atoms of oxygen are in Ca3(PO4)2?

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There are 8 atoms of oxygen in Ca3(PO4)2.

Tags

NGSS.MS-PS1-1

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How many atoms of carbon are in C3H8?

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There are 3 atoms of carbon in C3H8.

Tags

NGSS.MS-PS1-1

Front

How many atoms of hydrogen are in C3H8?

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There are 8 atoms of hydrogen in C3H8.

Tags

NGSS.MS-PS1-1

Front

What is the molar mass of CuSO4?

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The molar mass of CuSO4 is 159.62 g/mol.