25:[["$","title","0",{"children":"A spoon of table salt (NaCl) contains 12.5 grams. Calculate the number of moles it contains."}],["$","meta","1",{"name":"description","content":"Chemistry - Fundamentals of Chemistry - A spoon of table salt (NaCl) contains 12.5 grams. Calculate the number of moles it contains."}],["$","meta","2",{"name":"author","content":"Chief Editor"}],["$","link","3",{"rel":"manifest","href":"https://classnotes.xyz/site.webmanifest","crossOrigin":"$undefined"}],["$","meta","4",{"name":"keywords","content":"Chemistry, Fundamentals of Chemistry"}],["$","meta","5",{"name":"creator","content":"classnotes"}],["$","meta","6",{"name":"robots","content":"index,follow"}],["$","meta","7",{"name":"application/ld+json","content":"{\"@context\":\"https://schema.org\",\"@type\":\"QAPage\",\"mainEntity\":{\"@type\":\"Question\",\"name\":\"

A spoon of table salt (NaCl) contains 12.5 grams. Calculate the number of moles it contains.

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Mass of sodium chloride (NaCl) = 12.5 g

\\n

Molar mass of sodium chloride (NaCl) = 23 + 35.5 = 58.5 g

\\n

$\\\\text{Number of moles} = \\\\frac{\\\\text{Mass in grams}}{\\\\text{Molar mass}}$

\\n

$\\\\text{Number of moles} = \\\\frac{12.5}{58.5}$

\\n

$\\\\text{Number of moles} = 0.21 \\\\text{ moles}$

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