Calculate the total number of electrons present in 2.3g of ethane.
Calculate the total number of electrons present in 1 mole of methane.
A certain particle carries 2. 5 xx 10 ^(-16) C of static electric charge. Calculate the number of electrons present in it.
Total number of electrons present in 48g mG^(2+) are :
Calculate the total number of atoms in 18g of water.
Calculate number of electron present in 9.5" g of" PO_(4)^(3-) :
Calculate the number of aluminium ions present in 0.051 g of aluminium oxide
An element has density 6xx8"g cm"^(-3) occurs in bcc structure with cell edge of 290 pm. Calculate the number of atoms present in 200 g of the element.
The total number of neutrons present in 54mL H_2O(l) are :