Stoichiometry The weight fraction of methanol in an aqueous solution is 0.64. The mole fraction of methanol XM satisfies XM = 0.5 0.5 < XM < 0.64 XM ≥ 0.64 XM < 0.5 XM = 0.5 0.5 < XM < 0.64 XM ≥ 0.64 XM < 0.5 ANSWER DOWNLOAD EXAMIANS APP
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 X2/x1 X1/x2 1 - (x1/x2) 1/x2 X2/x1 X1/x2 1 - (x1/x2) 1/x2 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The number of water molecules present in a drop of water weighing 0.018 gm is 6.023 x __________ 1019 1023 1026 1020 1019 1023 1026 1020 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 gm mole of methane (CH₄) contains 4 gm atoms of hydrogen 3.01 x 1023 molecules of methane 3 gms of carbon 6.02 x 1023 atoms of hydrogen 4 gm atoms of hydrogen 3.01 x 1023 molecules of methane 3 gms of carbon 6.02 x 1023 atoms of hydrogen ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The chemical nature of an element is independent of The number of neutrons present in it The number of protons or electrons present in it Its atomic number None of these The number of neutrons present in it The number of protons or electrons present in it Its atomic number None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapor pressure of liquids (having similar chemical nature) at any specified temperature __________ with increasing molecular weight. Increases Remains unchanged Increases linearly Decreases Increases Remains unchanged Increases linearly Decreases ANSWER DOWNLOAD EXAMIANS APP
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