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a. (6 pts) Balance the following chemical reactions:
1 C2 H6 + _7/2_O2 → _2_CO2 + _3_H2 O
_1_ Cl2 O 7 + _1_H2 O → _2_ HClO4
b. (10 pts) Consider the reaction taking place in water:
Ca(OH)2 (s) + 2 HCl (aq) → CaCl2 (s) + 2 H2 O
How many grams of calcium hydroxide [Ca(OH)2 ] must be added to obtain complete reaction of
0.200 moles of HCl? Show your complete calculation. (You may round atomic weights to
one decimal place.)
the relative molecular mass of Ca(OH) 2 is (40.08) + 2(16.0 + 1.01) = 74.1 gm/mol. Thus
⎛ 74.1gm ⎞⎛1mo...
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This note was uploaded on 02/07/2014 for the course CHEMISTRY 030.101 taught by Professor Draper during the Spring '06 term at Johns Hopkins.
- Spring '06