Home
Class 12
CHEMISTRY
30g Mg and 30g O(2) are reacted and the ...

30g Mg and 30g `O_(2)` are reacted and the residual mixture contains:

A

90 g of magnesium oxide only

B

75 g of magnesium oxide and 15 g of magnesium

C

50 g of magnesium oxide and 10 g of oxygen

D

75 g of magnesium oxide and 15 g of oxygen

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

( i ) The equilibrium H_(2(g))+CO_(2(g))hArrH_(2)O_(2(g))+CO_((g)) is established in an evacuated vessel at 723 K starting with 0.1 mol of H_(2) and 0.2 mole of CO_(2) . If the equilibrium mixture contains 10 mole per cent of water vapour, calculate K_(p) , given that the equilibrium pressure is 0.5 atm . Calculate the partial pressures of the component species and the volume of the container. ( ii ) If now, into the flask, solid CoO and solid Co are introduced two new equilibrium are established. CoO_((s))+H_(2(g))hArrCo_((s))+H_(2)O_((g)) , CoO_((s))+CO_((g))hArrCo_((g))+CO_(2(g)) The new equilibrium mixture contains 30 mole per cent of water vapour. Calculate the equilibrium constants for the new equilibria.

A gaseous mixture contains 1 g of H_(2) , 4 g of He , 7 g of N_(2) and 8 g of O_(2) . The gas having the highest partial pressure is :-

In a closed cylinder there are 60g Ne and 64 g O_(2). if pressure of mixture of gases in cylinder is 30 bar then partial pressure of O _(2) in this cylinder will be-

The vapour density of a mixture containing N_(2) (g) and O_(2) (g) is 14.4. The percentage of N_(2) in the mixture is :

A gas mixture contains 160g O_(2) and 320g O_(3) .The molar ratio of O_(3) to O_(2) in the mixture will be

A vessel of volume 4 litres contains a mixture of 8g of O_(2), 14g of N_(2) and 22 g of CO_(2) at 27^(0)C . The pressure exerted by the mixture is

If 12.6 g of NaHCO_(3) are added to 30.0 g of CH_(3)COOH solution, the residue is found is found to weight 36.0 g. What is the mass CO_(2) released in the reaction ?