Saved Bookmarks
| 1. |
What weight of magnesia is obtained by complete combustion of two grams of metal? |
|
Answer» SOLUTION :The BALANCED EQUATION for the combustion of magnesium METAL is `2Mg+O_(2) to 2MgO` 2 moles of Mg =2 moles of MGO 1 mole of Mg =1 mole of MgO 24 grams of Mg =40 grams of MgO The weight of magneisa (MgO) produced by burning 2 grams of metal `=(40)/(24) xx 2=3.333gr` |
|