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Chemistry
Aggie
22 May, 22:27
What mass is 2.4E25 molecules of NaHCO3?
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Kierra Mooney
22 May, 22:49
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Mole = no. Molecules/6.02*10^23
Mole = (2.4*10^25) / (6.02*10^23)
Mole = 39.87mole
Molar mass of NaHCO3 is
= 23 + 1 + 12 + 3 (16)
= 84g/mol
Mole = mass/molar mass
Mass = Mole * molar mass
Mass = 39.87 * 84
Mass = 3348.84g
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