12/13 SUB DAY Mini Flashcard

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What is Molar Mass?

Back

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.

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How do you convert grams to moles?

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To convert grams to moles, use the formula: Moles = Mass (g) / Molar Mass (g/mol).

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What is Avogadro's Number?

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Avogadro's Number is 6.022 x 10^23, which is the number of atoms, molecules, or particles in one mole of a substance.

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What is the formula to calculate the number of moles from mass?

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The formula is: Moles = Mass (g) / Molar Mass (g/mol).

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What is the molar mass of water (H2O)?

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The molar mass of water (H2O) is approximately 18.015 g/mol.

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How do you calculate the molar mass of a compound?

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To calculate the molar mass of a compound, sum the molar masses of all the elements in the compound, multiplied by the number of times each element appears in the formula.

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What is the molar mass of sodium hydroxide (NaOH)?

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The molar mass of sodium hydroxide (NaOH) is approximately 40 g/mol.

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How many grams are in 0.750 moles of CuSO4?

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To find grams, use the formula: Grams = Moles x Molar Mass. For CuSO4, Molar Mass = 159.61 g/mol, so 0.750 moles = 119.7 g.

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What is the molar mass of calcium hydroxide (Ca(OH)2)?

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The molar mass of calcium hydroxide (Ca(OH)2) is approximately 74 g/mol.

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What is the relationship between moles and molecules?

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1 mole of any substance contains Avogadro's number (6.022 x 10^23) of molecules.