A 4.86 g sample of a hydrated magnesium sulfate salt is heated to constant mass

CHEMISTRY · Single correct · CBSE · Chemistry · Acids, Bases and Salts · Acids, Bases and Salts

Problem

A 4.86 g sample of a hydrated magnesium sulfate salt is heated to constant mass, leaving 2.38 g of anhydrous MgSO

_4

. What is the value of

x

in the empirical formula MgSO

_4\cdot x

_2

O for the original hydrate? (a)

x = 8

(b)

x = 4

(c)

x = 7

(d)

x = 6