What mass of ammonium nitrate at

65\\\\deg C

must be added to a

211.0mL

sample of\ water at

65\\\\deg C

in order to cool the solution to

58.0\\\\deg C

. The heat capacity of the\ solution is

4.18(J)/(g)*^(0)C

. The density of water is

1(g)/(m)L

.\

NH_(4)NO_(3)(aq)->NH_(4)^(+)(aq)+NO_(3)^(-)(aq),\\\\Delta H_(rxn)=+25.69k(J)/(m)ol

\ (A)

20.32g

\ (B)

21.17g

\ (C)

23.50g

\ (D)

19.69g

\ (E)

18.42g

What mass of ammonium nitrate at 65C must be added to a 211.0mL sample of water at 65C in order to cool the solution to 58.0C. The heat capacity of the solution is 4.18J/g0C. The density of water is 1g/mL. NH4NO3(aq)NH4+(aq)+NO3(aq)Hrxn=+25.69kJ/mol (A) 20.32g (B) 21.17g (C) 23.50g (D) 19.69g (E) 18.42g