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Jace Toy DDS

Feb 20, 2025

How many moles are there on 17.5 grams of sodium?

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Okay, Carol. You have to know the formula : n = m / Mwhere, n = number of moles m = given mass M = Molar mass of the substance.In this case, n = ? m = 17.5 g M = molar mass of Sodium = 22.9897 So, number of moles, n = 17.5 / 22.9897 = 0.7612 or 0.76 moles.Note: There is another formula you MUST know N = n x NAwhere, N = number of particles (atoms, molecules, etc), n = number of moles NA = Avogadro’s Number: 6.023 * 10 ^ 23 Premika.... Show More
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