Question

What is the sum of the coefficients (including “1”) of the following reaction?
Sodium sulfate + calcium hydroxide ???

Na2SO4 + Ca (OH)2 --> 2 NaOH + CaSO4

a. 4
b. 5
c. 6
d. 7
e. 9

the sum of coefficients are = 1 + 1 + 2 +1 = 5

Goodness, you add the digits well. Good work.

do i detect a bit of sarcasm :)
thanks for the help

Jan 30, 2007

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