RE: 故事新编（三） Old Tales Retold (3)

You are viewing a single comment's thread from:

coldhair (65)in #cn • 7 years ago

SO₂+H₂O=H₂SO₃
2H₂SO₃ +O₂=2H₂SO₄

7 years ago in #cn by coldhair (65)

$0.00

STEEM 0.17

TRX 0.16

JST 0.029

BTC 75785.47

ETH 2686.85

USDT 1.00

SBD 2.42