110 A common liquid contains 11.19% hydrogen
and 88.81% oxygen by mass.
a) Calculate the number of moles of hydro-
gen atoms and oxygen atoms in 100.0 g of
this liquid.
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Ответ:
Explanation:
number of moles =
thus, number of moles of hydrogen= 11.91/1=> 11.91number of moles of oxygen= 88.81/32 = 2.77=> 2.77hope it helps:)
Ответ:
movement of water from an area of lower solute concentration to an area of higher solute concentration
Explanation:
suppose two compartments separated by a semipermeable membrane, so that one contains water (compartment A) and the other a concentrated saline solution (compartment B). In this situation there is a greater chemical potential of the water present in A, which manifests itself as a diffusion tendency towards B, diluting this solution accordingly.