what mass of calcium contains the same number of atoms as present in 2.3 g of sodium?
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1
Answer:
number of moles present in 2.3 g of sodium is
given mass/ molecular mass of sodium
2.3/23= 0.1 moles
mass of calcium = moles × molecular maas of calcium
= 0.1×40 = 4 gram.
Answered by
0
Answer:
number of mole is = given mass upon gram atomic mass
2.3 upon 23=1upon10
mass of calcium is =1upon10 into40
mass of calcium =4gram
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