1.

1.500g of hydroxide of a metal gave 1.000g of its oxide on heating. What is the equivalent mass of the metal ?

Answer»


Solution :By the law of EQUIVALENTS: `("E + Eq. Mass of" OH^(-))/("E + Eq. Mass of O") =("mass of metal HYDROXIDE")/("mass of metal oxide")`
or `(E+17)/(E+8) = 1.5/1 RARR E=10`


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