calculate the mass of 2.5x10^23 formula units of calcium phosphate
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Answer:
128.69gm
Explanation:
Formula units is used for salts made by ion namely cation and anion .
Formula units=moles×Na
Na=avagadro number which is 6.022×10²³
Moles=2.5×10²³/6.022×10²³=0.4151 moles
Mass=moles×molar mass
Mass=0.4151×310=128.6947gm
Answer= 128.69gm..
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