Question

12 g of Mg was burnt in a closed vessel containing 32 g oxygen. Which of the following is not correct.
(A) 2 gm of Mg will be left unburnt.
(B) 0.75 gm-molecule of O, will be left unreacted.
(C) 20 gm of MgO will be formed.
(D) The mixture at the end will weight 44 g.​

Answer 1

Answer:

the reaction will be

2Mg + O2 -- 2mgo

actual mass-- 24g + 32g -- 56g

thus. the ans is D.

Explanation:

because 44g of mixture is not left but 56g is left .