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 chemical formula.

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How to 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 molar mass of water (H₂O)?

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The molar mass of water is 18.02 g/mol (2 hydrogen atoms at 1.01 g/mol each and 1 oxygen atom at 16.00 g/mol).

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What is the significance of molar mass in chemical reactions?

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Molar mass is crucial for converting between grams and moles, allowing chemists to measure reactants and products accurately in chemical reactions.

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What is the molar mass of calcium phosphate (Ca₃(PO₄)₂)?

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The molar mass of calcium phosphate is 310.18 g/mol.

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How many moles are in 78.0 grams of Al(OH)₃?

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To find moles, divide the mass by the molar mass: 78.0 g / 78.0 g/mol = 1 mole.

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What is the molar mass of magnesium hydroxide (Mg(OH)₂)?

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The molar mass of magnesium hydroxide is 58.3197 g/mol.

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What is the molar mass of aluminum nitrate (Al(NO₃)₃)?

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The molar mass of aluminum nitrate is 213.01 g/mol.

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What are reactants in a chemical equation?

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Reactants are the starting substances in a chemical reaction, found on the left side of the equation.

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What are products in a chemical equation?

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Products are the substances formed as a result of a chemical reaction, found on the right side of the equation.