Sort:  

Thanks for taking part as well, but your solutions are not yet correct. :)

Ohhh...
My chemistry knowledge is not good...but....I can try again?...

Coin Marketplace

STEEM 0.21
TRX 0.20
JST 0.035
BTC 91107.18
ETH 3170.38
USDT 1.00
SBD 2.99