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オルト炭酸 たんさんでした
orutotansandeshita

敬
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Noun
, 
Desu Copula

The polite past form of オルト炭酸

1. It was orthocarbonate.; It was carbonic acid.

Past/Perfective
, 
Polite
, 
Chemistry

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オルト炭酸でした

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