# Moles of sulfur in the compound 0078 gmol mass of

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Moles of sulfur in the compound .0078 g/mol Mass of copper .06 g Moles of copper .00094 g/mol Empirical formula of the compound formed S 8 Cu
Report Sheet Trial 1 Trial 2 Mass of crucible and lid (g) 46.885 g 54.760 g Mass of crucible, lid, and Mg (g) 46.972 g 54.867 g Mass of Mg (g) 0.087 g 0.107 g Moles of magnesium .00358 g mol .00440 g nol Appearance of magnesium Dull gray metallic solid Dull gray metallic solid Mass of crucible, lid, and compound (g) After Heating 1 47.018 g 54.932 g After heating 2 47.019 g 54.938 g Final mass of crucible and lid with compound (g) 47.019 g 54.938 g Mass of product 0.134 g 0.178 Appearance of product Gray white ash Gray white ash Mass of oxygen added (g) .047 g .071 g Moles of oxygen .0029 g mol .00444 g mol Formula showing the calculated mol ratios of the elements Mg .00358 .00290 O .0029 .0029 Mg .0044 0 .0044 0 O .00444 .0044 0 Empirical formula for the final compound MgO MgO
Dimension Calculation Trial 1 Trial 2 1 Mass of Mg 46.972 g 46.885 g ¿ 0.087 g 54.867 g 54.760 g ¿ 0.107 g 2 Moles of Mg 0.087 g 24.31 mol = .00358 g mol 0.107 g 24.31 mol = .00440 g nol 3 Mass of product 47.019 g 46.885 g ¿ 0.134 g 54.938 g 54.760 g ¿ 0.178 g 4 Mass of O 47.019 g 46.972 g ¿ .047 g 54.938 g 54.867 g ¿ . 071 g 5 Moles of O .047 g 16.00 mol = .0029 g mol .071 g 16.00 mol = .00444 g mol 6 Formula for the mol ratio of the compound Mg .00358 .00290 O .0029 .0029 Mg .0044 0 .0044 0 O .00444 .0044 0 7 Empirical formula for the final compound MgO MgO
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