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Compared to a 10-mole sample of NaCl(s), a 10-mole sample of NaCl(l) has a different (1) number of ions (2) empirical formula (3) gram-formula mass (4) electrical conductivity
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Compared to a 10-mole sample of NaCl(s), a 10-mole sample of NaCl(l) has a different

(1) number of ions
(2) empirical formula
(3) gram-formula mass
(4) electrical conductivity

User Jingyu
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1 Answer

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NaCl(s) has ions but they can't move, while those of NaCl(l) can be separated under the application of electricity. Therefore, (4) electrical conductivity is the correct one.
Hope this is helpful~
User Slevithan
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