Дано: | CO 2 | ______| W(O) -? |

Question

Дано: | CO 2 | ______| W(O) -? |

Answer 1

Ответ:

Ar (O) - 16

Ar (C) - 12

Mr (CO2) - 44

w = 16*2/44

w= 32/44

w = 0.7272 ~ 73%