Скачать или смотреть Reacting Masses and Moles Calculations (GCSE Chemistry) | The GCSE Science Teacher

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Today we are learning more about moles and calculations! ❤️

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Answer to the practice question:
Mr(Sulfur Dioxide) = 64
Ar(Sulfur) = 32
Moles (Sulfur): Moles = Mass / Mr = 16/32 = 0.5 moles
Ratio of Sulfur : Sulfur Dioxide is 1:1 in this example
So, the number of moles of Sulfur Dioxide is 0.5 moles
Mass(Sulfur Dioxide): Mass = moles x Mr = 0.5 x 64 = 32g

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