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Chemistry calculations - Edexcel Finding the % of an element in a compound by mass
of~hydrogen} = \frac{mass~of~hydrogen ... measured in a unit called the mole (mol). The mass of one mole of any substance is numerically equal to its relative formula mass or relative atomic ...
BBC5y
Calculations for all students - Edexcel
of~hydrogen} = \frac{mass~of~hydrogen ... measured in a unit called the mole (mol). The mass of one mole of any substance is numerically equal to its relative formula mass or relative atomic ...