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Calculate the number of moles of magnesium present in a magnesium ribbon weighing 12 g. Molar atomic mass of magnesium is 24g mol–1.

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asked Nov 6, 2017 in Chemistry by jisu zahaan (28,760 points) ● 28 ● 437 ● 1096

Calculate the number of moles of magnesium present in a magnesium ribbon weighing 12 g. Molar atomic mass of magnesium is 24g mol–1.

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+2 votes
answered Nov 6, 2017 by sforrest072 (157,439 points) ● 63 ● 448 ● 1286
selected Feb 20, 2018 by sanjeev
 
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Number of moles 12 / 24 = 0.5 mol 

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