SCIENCE
CHEMISTRY
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
Number of moles of CO2 present in 22.0g of carbondioxide is
|
|
2
|
|
|
22
|
|
|
0.5
|
|
|
0.25
|
Explanation:
Detailed explanation-1: -So, 22 gm of CO2 = 4422 moles of CO2 = 0.5 moles of CO2.
Detailed explanation-2: -Therefore, 22 g carbon dioxide = 0.5 moles.
Detailed explanation-3: -thus in 0.5 moles there are 2 / 2 = 1 mole of oxygen in 22g (0.5 moles) of CO2.
Detailed explanation-4: -The number of molecules present in 0.5 moles of CO2 is6. 022 x 1023 x 0.5 = 3.011 x 1023.
There is 1 question to complete.