What is the value of Avagadro Constant
Avagadro Constant = 6.022 x 10²³ atoms/mol Explanation Avagadro number is the number of particles (atoms or molecules), that is…
7 years ago
Chemistry
What is the mass of precipitate formed when x mL of solution is mixed with another
What is the mass of precipitate formed when 50 mL of 16.9% solution of AgNO₃ is mixed with 50 mL…
7 years ago
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)…
7 years ago
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)…
7 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…
7 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…
7 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…
7 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…
7 years ago