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Answer» 1)O2)O2. 16×2=32. 6.022×10^23 molecules of OXYGEN3)Na. 23. 6.022×10^23 atoms of Na4)Na+ , 23. 6.022×10^23 IONS of Na+5)NaCl. 23+35.5=58.5. 6)H2O. 1×2+16=186.022×10^23 UNITS of H2O |
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