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How many atoms of oxygen are in one formula unit of Ca(No3)2?
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Ming says that 0.24 > 1/4 because 0.24= 2/4. which best explains mings error
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In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.
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How many atoms of oxygen are in one formula unit of Ca(No3)2?...
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