A silicon -containing ore has 92% 28Si, 5% 29Si and 3% 30Si. Calculate the relative atomic mass of the silicon.

Ken Favour

10 years ago

The selected answer is wrong:

the ans is C 28.11

doctormmusa

10 years ago

hahaha d ans. Is so funny u av arive at d curect answer and u turn it some way

elviso

10 years ago

IMagine

Myschool Kelly

10 years ago

Correction has been made. Thanks for your contributions.

DesmondBuwaX

1 month ago

damn

Miraclelookplanet

10 years ago

unbelievable. so the answer was too correct or what other explanation.

T3RA

2 years ago

Myschool has to start deleting comments because what is this, so many grammatical errors, incorrect/poor spellings and rubbishly shortened words