CHEM 1110 Midterm: Chemistry 1110 2006 Fall Test 2
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Instructions: you have 50 minutes to complete this 100-point exam. All answers must be written on the test answer sheet. ____bacl2 + ____li3po4 (cid:198) ____ba3(po4)2 + ____licl: 1, 1, 1, 1, 3, 1, 1, 3, 3, 2, 1, 6, none of the above, many reactions do not proceed to completion. Reactions, precipitates and calculations: show all work on the test answer sheet. Partial credit will be given for correct work. Test 2 page 1: (15 pts) mesitylene is a liquid hydrocarbon (contains hydrogen and carbon). What is the empirical formula of mesitylene: (15 pts) a side reaction in the manufacture of rayon from wood pulp is seen below. How many grams of na2cs3 are produced in the reaction of 117 g cs2 and 15. 0l of 6. 00 m naoh? (mm of cs2 = 76. 13 g/mol, mm of na2cs3 = 154. 17 g/mol)
