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Biology, 08.02.2021 14:00 Ayyyyeeeeeeewuzgud

What percentage by mass of beryllium is in beryllium aluminium silicate? Give your answer to 2 significant figures.

Relative atomic mass (Ar) of Be = 9

Relative formula mass (Mr) of Be3Al2(SiO3)6 = 537 PLEASE I HAVE A CHEM TEST ;-;

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