Answer:0.0998
Explanation:
Equivalents=Number of moles×Valence
Equivalents
=
0.0499
mol
×
2
Equivalents=0.0499mol×2
Equivalents
=
0.0998
equivalents
Equivalents=0.0998equivalents
Therefore, there are approximately 0.0998 equivalents of
Ca
2
+
Ca
2+
ions present in 2 g of calcium.