Hey there!
Oxygen has a molar mass of 16. That means 16g of oxygen is 1 mole.
32.6 ÷ 16 = 2.0375 moles
We have 2.0375 moles.
There are 6.022 x 10²³ atoms in one mole.
2.0375 x 6.022 x 10²³
1.3 x 10²⁴
There are 1.3 x 10²⁴ atoms in 32.6 grams of oxygen.
Hope this helps!
Answer: 1.8 x 10^1 or the scientific e notation is: 1.8e1
Answer:
Thus,there are 0.2 mole in 8 g of calcium.
Answer:
C
The answer is C pleaaaaaaase