SCIENCE
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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1
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12
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6
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None of the above
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Detailed explanation-1: -6 Sodium (Na) atoms are in 6NaCl.
Detailed explanation-2: -This is because there is 1 atom of Na (sodium) and 1 atom of Cl (chlorine) in each NaCl molecule.
Detailed explanation-3: -Sodium chloride, commonly known as salt (although sea salt also contains other chemical salts), is an ionic compound with the chemical formula NaCl, representing a 1:1 ratio of sodium and chloride ions. With molar masses of 22.99 and 35.45 g/mol respectively, 100 g of NaCl contains 39.34 g Na and 60.66 g Cl.
Detailed explanation-4: -ONE MOLE of any element has 6.023x1023 atoms of that element. Therefore 1 mole or 22.99 grams of Na = 6.023x1023 atoms of Na. Avogadro’s Number is 6.023x1023.
Detailed explanation-5: -The meaning and usefulness of the mole Page 2 2 • One mole of NaCl contains 6.022 x 1023 NaCl formula units.