47) What is the mass, in grams, of one mole of CI atoms? 48) What is the form R

Question

47) What is the mass, in grams, of one mole of CI atoms? 48) What is the form R HERE-gc,4yumr- PLACE ANSWER HERE 254. au MUST SHOW YOUR WORK ON ATTACHED SHEETS PLACE ANSWER HERE 4.04" mol- formula mass, in amu, of one formula unit of gold (III) fluoride? yOU MUST SHOW YOUR WORK ON ATTACHED SHEETS 49) What is the formula m ass, in grams per mole, of one mole of dinitrogen monoxide molecules? You 50) Any of the elements listed below could form a compound with dichromate. Which one would not require the use of a roman numeral in the compound's name? a) Copper b) Cobalt drcthivonotte d) Iron e) Manganese c) Magnesium 1 - 52) Consider the diatomic molecules H2, HBr, HF, HCl, and HI. Rank these molecules according to decreasing polarity LEAST POLAR MOST POLAR _ nism each statement below describes by entering th letter I (for ionic) or C (for covalent) in the blanks provided.

Explanation / Answer

47) Atomic weight of Cl atom=35.453 u

So,molar mass (=Atomic weight in grams)=35.453 g/mol

or, mass of 1 mol of Cl atoms=35.453 g/mol

48)Gold Fluoride formula=AuF3

1 formula unit of gold fluoride is made up of 1 atom of Au and 3 atoms of F3

Formula mass=1*(Atomic weight of gold)+3*(Atomic weight of Fluorine)=196.966 amu +3*(18.998 amu)=253.96 amu

Thus,mass of 1 formula unit of gold fluoride=253.96 amu

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