224GAM IOT 112GAILL BILFH L(LIL DLLNG TICH 1,12LIT (}NHI~T DQ400°C....
14,224gam iot
112gaIll
bilfh l(lIl dllng tich 1,12lit (}nhi~t
dQ400°C. T6c
dQ ban d~u cua phan (rug Ia
IIlQt~qi
gia11"
(athai
di~m t) p6ng dQ cua
la
0,04moI/Ht va khi phim img H2(k)
+
h(k)
can bang thi nong dQ cua HI bang O,06mollIit.
a. Tiuh h~ng s6 t6e dQ clm phim ling thu~n
va phan U'ngnghieh.
b. T6e dQt:;tothanhHI
athai diSm tJabao.nhieu?
__
C__
a¥~
4. (2,0 di~m)
Nhi9t phan 104gam
hQ'p X g6m A(N03)2 va B(N03)2 (A la kim lo?i kiem th6, B Ia kim lo?i
ehuy~n
ti~p)
eho t&ikhi die phantmg
XaYra gqantpan,
thudu'Q'ech~t
r~n
y
chI g6m .nhungoxit, .h6n hqp
khf Z g6m N02 va O2 co
tieh31 ,36lft.(do
a
OOC;latm) v&idz/
co,
Xae dinh cac kim lo:;tiA, B (bi6t
s6 mol CllaB(N03)2 nhieu hO'ns6 mol cua A(N03)2).
__
Ca__
u__
5.
(3,0 diSm)
D6t chay hofm toan 3,24gam mQt clohidrocacbon X (m<;lchcacbon khong phan nbanh) bing lUQ'ilgoxi
du va cho t§t ca sim phftm chay (C0
2,
HCl va hO'iH20) vao binh kin chlra 60cm3 dung dich NaOH 20%
(kh6i Iuc;mgrieng d
=
1,22gam/cm3). Sau khi eac san ph~m
chay duQ'c h~p
hoan toan vao dung dich
NaOH, t~o thanh dung dich
Y
va xac dinh duQ'c kh6i luc;mgdung dich tang len
7,73gaI11.
Dung dich Y duQ'c pha loang bing nuoe cAt thanh 250em3, eli 20em3 dung dich nay tac dl,mg vlra du
veri 24,828cl1l3 dung dich HCIl,O 15M.
a. Xac dinh cong thuc phan t11cua X.
b. Vi~t t~t ca cong thuc c~u t?O cae ch~t d6ng phan eua X, gQi ten theo danh phap thay th~.
trang
1/2
__
~a __
Au__
6.
(2,0 di~rn)