28 dm3
56 dm3
112 dm3
196 dm3
Correct answer is C
2KHCOdm3 → K2CO3 + H2O + CO2
2(39 + 1 + 12 + 48) 22.4 dm3
200 g 22.4 dm3 of CO2
1000 g (1000) / (200) x 22.4 = 112 dm3
What is the atomic number of Tantalum? ...
Given the reactions (i) Fe(s) + X(NO3)2(aq) → Fe(NO3) + X(s) (ii) H2(g) + XO → X + H2O(s); X is ...
Copper metal dissolves in concentrated trioxonitrate (V) acid with the resultant evolution of? ...
A nuclide emits a beta-particle (e) in the process, that atomic number ...