INTERNATIONAL MARITIME COLLEGE OMAN PO1681-2 Question 2 (5 Marks) (MLO 2, 3, 5, analyse, apply, suggest) A sample of mag

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International Maritime College Oman Po1681 2 Question 2 5 Marks Mlo 2 3 5 Analyse Apply Suggest A Sample Of Mag 1 (43.08 KiB) Viewed 15 times

INTERNATIONAL MARITIME COLLEGE OMAN PO1681-2 Question 2 (5 Marks) (MLO 2, 3, 5, analyse, apply, suggest) A sample of magnesium nitrate, Mg(NO3)2 (FM 148.31), weighed 0.282 8 g was dissolved in 1 wt% HF (aq) and then treated with nitron (C20H16N4, FM 312.37) solution to precipitate nitron nitrate (C20H17N5O3, FM 375.39) weighing 1.322 g. The structure of nitron and nitron nitrate are shown in the figure bellow. NC H₂ H NC H₂ N- NO3 CHS N N Nitron CHiN, FM 312.37 Nitron nitrate CH₁NO, FM 375.39 Figure 3 Precipitation reaction of Ni2+ into Ni(DMG)2 (Harris, 2007) a. Find the wt% of Mg in the original sample. (3 Marks) C₂H₂ CH, C₂H5