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How many moles are present in 10.5 grams off NaCl

User LowLatency
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To convert weight to moles, we must use the molar weight found on the periodic table. Sodium (Na) has a molar weight of 22.99 g/mol. So let's set up an equation and cancel out units:


(1mole)/(22.99g)*10.5g=0.4567mol=4.57*10^(-1)mol

So now we know that 10.5g of sodium is equal to 0.4567 moles.

User Josephoneill
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