AS chemistry help

  • 1 vote

A metal reacts with 8g of oxygen to form 15g of a basic oxide.

what is the metal?

Posted Sat 29th September, 2012 @ 12:49 by Amy

2 Answers

  • 0 votes

if it gives you an empirical formula you can work out bits and pieces from the charge for example if it was XO you would know that the metal must have a 2 plus charge. The 8 grams of oxyge

n means that you have half a mole of O2 - hope these help / spark some ideas :) best of luck 

Answered Sun 30th September, 2012 @ 09:27 by Chloe Thorn
  • 0 votes

Hiya I have this question to answer too and I don't understand the explanation.... Just wondering if you could explain it to me? Thanks so much :)

Answered Tue 18th December, 2012 @ 19:27 by Zoe