A solution of toluene(molecular weight 92.1) in benzene(molecular weight 78.1) is prepared. The mole fraction f toluene in the solution is 0.100. What is the molality of the solution? (A)0.1 (B)0.703 (C)0.921 (D)1.28 (E)1.42

Which substance has non polar covalent bonds

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of tthe table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

The reactions of photosynthesis occur in the of plant cell? a. mitochondria. b. lysosomes. c. chloroplasts. d. chlorophyll