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APB Reports · Answer 1 · 2017-07-05T19:45:09+0000

Molar mass of NaOH = 39.997 g/mol

39.997 g ---------- 6.02x10²³ molecules
g --------------- 2.30x10²² molecules

mass = 2.30x 10²² * 39.997 / 6.02x10²³

mass = 9x199^24 / 6.02x10²³

mass = 15.280 g

hope this helps!

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