Question

Which of the following will not have a mass of 10 g?
(A) 0.1 mol Caco,
(B) 1.51 x 10^23 Ca2+ ions
C) 0.16 mol of Co-ions
(D) 7.525 x 10^22 Br atom.​

Answer 1

0.1 mole of. CaCO3

1 mole of CaCO3 =100gm

0.1 mole of CaCO3 =10gm