Answer: I believe it is critical mass
Explanation:
The answer is 18.23432 grams.
Molar mass of KOH= 56.1056

= 18.234 grams
(1) Ocean to Continent
(2)Continent to Continent
(3)Ocean to Ocean
are the three sub types of convergent plate boundaries.
I’m pretty sure it would be B
B- Electrical conductivity