If avagadro number is changed what changes
If avagadro number is changed from 6.022 x 10²³ mol⁻¹ to 6.022 x 10²⁰ mol⁻¹, this would change Options (a)…
8 years ago
Basic Concepts of Chemistry
The number of water molecules is maximum in
The number of water molecules is maximum in Options (a) 1.8 molecules of water (b) 1.8 gram of water (c)…
8 years ago
Magnesium carbonate of x g decomposes. What is the percentage of purity
20.0 g of a magnesium carbonate sample decomposes on heating to give CO₂ and 8.0 g magnesium oxide. What will…
8 years ago
What is the molar ratio of mixture of gases given the ratio of gases
A mixture of gases contains H₂ and O₂ gases in ratio of 1:4(w/w). What is the molar ratio of the…
8 years ago
When x g of magnesium burnt with oxygen what is left
1.0 g of magnesium is burnt with 0.56 g O₂ in a closed vessel. Which reactant is left in excess…
8 years ago
When x litres hydrogen and chlorine are mixed, moles of HCl is
When 22.4 litres of H₂(g) is mixed with 11.2 litres of Cl₂(g), each at S.T.P, the moles of Hcl(g) formed…
8 years ago