A sample of pure calcium weighing 1.35 g was quantitatively converted to 1.88 g of pure CaO . Atomic mass of calcium is

A sample of pure Ca metal weighing 1.35 grams was quantitatively converted to 1.88 grams of pure Cao. What is the atomic weight of Ca? (O = 16)

Calculate the mass of 3.5 gram atom of calcium. Atomic mass of calcium is 40

7.38 g of a sample of a metal oxide is quantitatively reduced to 6.84 g of pure metal. If the specific heat of the metal is 0.0332 cal/g, calculate the valency and the accurate atomic weight of the metal.

A sample of a mixture of CaCl_(2) and NaCl weighing 4.44 gm was treated to precipatate all the Ca as CaCo_(3) , which was then heated and quantitatively converted to 1.12 g of CaO. Choose the correct statements. (Atomic weight :Ca=40=23, Cl =35.5)

A pure sample of cobalt chloride weighting 1.30 g was found to contains 0.59 g cobalt and 0.71 g chloride on quantitative analysis. What is the percentage composition of cobalt chloride?

A pure sample of cobalt chloride weighting 1.30 g was found to contains 0.59 g cobalt and 0.71 g chloride on quantitative analysis. What is the percentage composition of cobalt chloride?

A pure sample of cobalt chloride weighting 1.30 g was found to contains 0.59 g cobalt and 0.71 g chloride on quantitative analysis. What is the percentage composition of cobalt chloride?