Rusch-Lab5.docx

# Rusch-Lab5.docx - CHM130 Lab 5 The Atomic Mass of Beanium...

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. CHM130 Lab 5 The Atomic Mass of Beanium Name: Josef Rusch A. Data Table : Insert your Data Table here with your sample calculations. You must show at least one sample calculation per procedure step. (16 points) Part I Data Table Sample Mass (mg) Number/Qty Average Mass (mg) Relative Abundance Relative Weight (mg) Kidneybeanium 1160 mg 3 553.3 mg 0.2143 118.6mg Pintobeanium 2830 mg 6 471.7 mg 0.4286 202.2mg Blackeyedpeaium 1110 mg 5 222.0 mg 0.3571 79.29mg Beanium (total) 400.0mg Sample Calculations: Mass conversion sample for Kidneybeanium: 1.16g x 1000mg/1g = 1160mg Mass Number/Qty example for Pintobeanium: I looked into the bag and there were six pinto beans. Quantity = 6 Average mass example for Blackeyedpeaium: Mass/Qty.=Average Mass, 1110mg / 5 = 222.0mg Average Mass Relative Abundance example from Kidneybeanium: Quantity / total # of particles of all isotopes, 3 / 14 = 0.2143 Relative Abundance Relative Weight example: Avg.Mass x Relative Abundance = Relative Weight, Kidneybeanium 553.3 x 0.2143 = 118.6mg Relative Weight for Kidneybeanium. Add the totals together from all 3 to get the Atomic Mass for Beanium.

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Part II Record your answer on the answer grid below. (3 points each) Chemical Name Chemical Formula Common Use 1 Sodium hydroxide NaOH Drain cleaner 2 Sodium hydrogen carbonate NaHCO 3 Baking soda 3 Aluminum oxide Al 2 O 3 Sandblasting sand 4 Sodium hypochlorite NaClO Bleach 5 Aluminum sulfate AlSO4 Used in antiperspirant
6 Ammonium bromide NH 4 Br Used in photography 7 Ammonium chloride NH4Cl Used in photography 8 Ammonium carbonate NH4CO3 Smelling salts 9 Calcium carbonate CaCO 3 Limestone/chalk 10 Sodium chloride NaCl Table salt 11 Calcium chloride CaCl De-icer for snow on roads 12 Calcium hypochlorate Ca(ClO) 2 Swimming pool disinfectant 13 Ammonium nitrate NH 4 NO 3 Used in fertilizer 14 Ammonium phosphate (NH4)3PO4 Used in fertilizer 15 Calcium oxide CaO Used to make plaster 16 Carbon dioxide CO 2

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