lordw774
lordw774
05-02-2016
Chemistry
contestada
What is the mass of 2.30 ×1022 molecules of NaOH
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Willchemistry
Willchemistry
05-02-2016
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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