Problem 6

Chemistry Level 2

Borax is a hydrated compound with the following composition:

\[12.04\%\text{ } \ce{Na};\text{ }11.52\%\text{ }\ce{B};\text{ }29.32\%\text{ }\ce{O}; \text{ }47.12\%\text{ }\ce{H2O}\]

From the given percentage composition, what is the empirical formula of borax?

Relative Atomic Masses: B = 10.8; Na = 23.0; O = 16; H = 1.0

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