ヘキサフルオロケイ けいさんでしょう
hekisafuruorokeisandeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of ヘキサフルオロケイ酸

1. Hexafluorosilicic acid, probably.; It will likely be hexafluorosilicic acid.

Polite
Presumptive
Conjecture
Chemistry