Mass of one atom of the element X is 1.66 ×10^-24gm.number of atom in 1gm of the element is?
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moles H3PO4 = 87.0 g / 97.9937 g/mol = 0.8878 mol
kg of water = 0.0130 kg
kg of water = 0.0130 kg
molality = 0.8878 mol / 0.0130 kg = 68.3 molal
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Answer:
1g=1/1.66×10^−24 g−1=10^24/1.66 g
=6.02×10^23
Explanation:
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