Chemistry, 26.02.2020 04:16, fansofboys

A weighed piece of magnesium ribbon is added to a dried crucible, which is reweighed and heated in air to form the compound MgO. The crucible is cooled and reweighed to find the mass of MgO. Which error could lead to a mass percentage of magnesium that is too low?

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A weighed piece of magnesium ribbon is added to a dried crucible, which is reweighed and heated in a...