Total ions in
5 formula unit in Naclo3 is equal to to the number of
A)10 electron in neon
B)23 nucleons in sodium atom
C)8proton in oxygen atom
D)2 isotopes of cl
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Answer:
D) 2 isotopes of cl
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Total ions in 5 formula unit in is equal to to the number of 23 nucleons in sodium atom
Explanation:
Atomic mass of Na = 23 u C = 12 u O = 16 u Cl=35.5u
The formula unit mass of any substance is equal to the sum of the atomic masses of all the atoms present in the formula unit of an ionic compound.
Therefore formula unit mass of
= 2Na + 1C +1Cl+ 3O = 2 × 23 + 1 × 12 +1×35.5+ 3 × 16
= 46 + 12 +35.5+ 48 = 141.5 u.
Total ions in formula unit in is 5 units
Total ions in 5 formula unit in is equal to to the number of 23 nucleons in sodium atom,It is the number of sodium atom which can adjust the formula in balanced form.
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