Question

HOW MANY MOLES IN 5 GRAM CALCIUM

Answer 1

moles = given wt./atomic wt.
=> 5/40=1/8=0.125moles
Hope it helps!!!!!! ✔️✔️

Answer 2

Answer:

We know that:

1 mole of atoms = Gram atomic mass

So, 1 mol of calcium atoms = Gram atomic mass of calcium

= 40 g

Now, 40 gram of calcium = 1 mole of calcium

So, 5 gram of calcium = 1/40 × 5 mole

= 1/8 mole

= 0.125 mole

Thus, there are 0.125 mole in 5 grams of calcium.