50.0 dm3
84.0 dm3
28.0 dm3
28.0 dm3
Correct answer is D
1 mole of gas at s.t.p = 22.4
2.5 moles → 2.5 * 22.4 = 56.00 dm3
MnO2(s) + xHCl(aq) → MnCl2(aq) + yH2O(l) + zCl2(g) In theequation above, what are the values of x...
When excess ethanol is heated to 145oC in the presence of concentrated H2SO4, the product is...
The alloy used for welding and plumbing contains ...
Which of the following substances is not a reducing agent? ...
If 50 cm3 of a saturated solution of KNO3 at 40 °C contained 5.05 g of the salt, i...
Which of the following statements is not correct about electrolysis? ...
How many carbon atoms are there in a benzene ring? ...
Which volume of 0.5 M H 2SO4 will exactly neutralize 20 cm 3 of 0.1 M NaOH solution?...
Which of the following pairs of elements has the greatest difference in electronegativity? ...