number of moles in 5.75 g of sodium. (atomic mass of sodium is 23

Discussion in 'CBSE Class 9 Chemistry Help' started by Ramana Viparth, Jan 4, 2012.

  1. I mol of sodium atoms Gram atomic mass of sodium = 23 g
    23 g of sodium = I mol of sodium
    5.75 g of sodium = (5.75/23) mol of sodium = 0.25 mol

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