Stoichiometry A very dilute solution is prepared by dissolving 'x1' mole of solute in 'x2' mole of a solvent. The mole fraction of solute is approximately equal to 1 - (x1/x2) X1/x2 X2/x1 1/x2 1 - (x1/x2) X1/x2 X2/x1 1/x2 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry What fraction of the total pressure is exerted by oxygen, if equal weights of oxygen and methane are mixed in an empty vessel at 25°C? 43833 43864 43832 L/3 x 298/273 43833 43864 43832 L/3 x 298/273 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Cp is expressed in S.I. unit as 0°K W/m². °C J/kg.°K W/m. °K 0°K W/m². °C J/kg.°K W/m. °K ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If pH value of an acidic solution is decreased from 5 to 2, then the increase in its hydrogen ion concentration is __________ times. 1000 10000 10 100 1000 10000 10 100 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The OH⁻ concentration in a solution having pH value 3 is 10-11 10-10 10-13 10-3 10-11 10-10 10-13 10-3 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A solution having a pH value of 5 is less acidic than the one having a pH value of 2 by a factor of None of these 100 3 1000 None of these 100 3 1000 ANSWER DOWNLOAD EXAMIANS APP