# chemistry check

posted by
**key** on
.

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