Answer:
Na = 32.4% , % S = 22.6% and %O = 45.0%
Step-by-step explanation:
% Na = 3.4/10.5. × 100%
= 32.4%
%S = 2.37/10.5 × 100%
= 22.6%
% O= 4.73/10.5 × 100%
= 45.0%xplanation:
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