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If you have 20.82g of Lithium (Molar mass = 6.34gmol^-1), how many moles of Li is it?

number of moles = mass / molar massTherefore, n=20.82g/6.34gmol^-1=3moles

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If you have 20.82g of Lithium (Molar mass = 6.34gmol^-1), how many moles of Li is it?

Related Chemistry GCSE answers

Explain why graphite can conduct electricity.

Calculate the percentage by mass of nitrogen in an ammonia molecule (NH3) . Take the relative atomic masses of hydrogen and nitrogen to be 1 and 14 respectively.

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Why is magnesium positioned in Group 2 of the periodic table?

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If you have 20.82g of Lithium (Molar mass = 6.34gmol^-1), how many moles of Li is it?

Related Chemistry GCSE answers

Explain why graphite can conduct electricity.

Calculate the percentage by mass of nitrogen in an ammonia molecule (NH​​​​​​​3) . Take the relative atomic masses of hydrogen and nitrogen to be 1 and 14 respectively.

Using the % yield calculation (please state), what is the percentage yield for the reaction of calcium oxide with water to produce calcium hydroxide if the theoretical yield is 4.0g but only 1.5g is produced?

Why is magnesium positioned in Group 2 of the periodic table?

We're here to help

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MyTutor is part of the IXL family of brands:

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Wyzant

Education.com

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SpanishDictionary.com

FrenchDictionary.com

Ingles.com

ABCya

© 2026 by IXL Learning

Calculate the percentage by mass of nitrogen in an ammonia molecule (NH3) . Take the relative atomic masses of hydrogen and nitrogen to be 1 and 14 respectively.