Posted by **key** on Tuesday, January 30, 2007 at 9:41am.

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

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