From `150g` of urea `(NH_(2)CONH_(2))` when `3times10^(23)` molecules are removed then the remaining moles of urea will be

3.6xx10^(22)NH_(3) molecules contain how many moles of hydrogen?

From 200 mg of CO_(2), 10^(21) molecules are removed. How many grams and moles of CO_(2) are left.

From 200 mg of CO_(2) when x molecules are removed, 2.89 xx 10^(-3) moles of CO_(2) are left. x will be

If 10^(21) molecules are removed from 200 mg of CO_(2), the number of moles of CO_(2) left is

Vapour pressure of pure water at 298 K is 23.8 mm Hg . 50g of urea (NH_(2)CONH_(2)) is dissolved in 850g of water. Calculate the vapour pressure of water for this solution and its relative lowering.

Vapour pressure of pure water at 298 K is 23.8 mm Hg . 50g of urea (NH_(2)CONH_(2)) is dissolved in 850g of water. Calculate the vapour pressure of water for this solution and its relative lowering.

15 gm urea (NH_(2)CONH_(2)) is dissolved in 18 gm water to form an aq. Solution. Find x_("urea") and x_(H_(2)O)

When x molecules are removed from 200 mg of N_(2)O . 2.89 xx 10^(-3) moles of N_(2)O are left. x will be

How many grams of urea on heating yield 10^(22) molecules of biuret by the reaction : 2CO(NH_(2))_(2) rarr H_(2)N - CO - NH - CO - NH_(2) + NH_(3) ?

The mole fraction of urea in its 2 molal aqueous