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axit nitric - mui nitratCu 1.Nung hon ton m gam Cu(NO3)2thu c hn hp kh NO2v O2. Hp th hon ton lng kh !"ng n#c thu c 2lt $ung $%ch c pH & '. *nh m.

+. ,- gam . '-' gam C. '/- gam 0. '11 gamCu 2.Cho -1 gam tan hon ton tong ' gam $ung $%ch HNO 3435 un nng thu c kh NO 2($u6 nht) v $ung $%ch 7.H86 cho !9:t $ung $%ch 7 c th; ho tan tn ?ng g9>9 phng kh NO.

+. ,4 gam . '-- gam C. 2- gam 0. @p @n kh@c.

Cu 3.NgA9 ta B>n ut HNO3tong cDng ngh9Ep thFo BG BauINH3 +

2 J tPtO NO + thuongtO 2 J NO2

++ OHO 22

HNO3

aJ H86 cho !9:t khn ?ng nh9Et phQn.

+. -5 . 45 C. 15 0. @p @n kh@c.Cu 5.Cho 211 gam mTt o9t BRt vo - ml $ung $%ch HNO 3l6 $ thu c 4P2 lt (ktc) mTt kh $u6 nht v $ung $%ch7. 7@c %nh cDng th?c cSa o9t BRt v . 9:t "ng tong $ung $%ch 7 c ch?a 4/3- gam mun ?ng hon ton thu c 1,4 lt hn hp kh X(ktc). Cho kh hp th vo n#c thu c 2 lt $ung $%ch V v cYn l9 tho@t a 334 lt kh (ktc). 7@c %nh pH cSa $ung $%ch V.

+. pH & . pH & ' C. pH & 2 0. pH &3Cu 7.Ho tan hon ton ' mol UF2tong $ung $%ch HNO3Zc nng $ tnh th; tch kh NO2($u6 nht ) !a6 a (ktc).

+. ''2 lt . 22- lt C. 334 lt 0. @p @n kh@c.Cu 8.Cho Cu $ vo [(l) $ung $%ch HNO 3-\ thu c ['(l9t) kh NO. Cho Cu $ vo [ (l) $ung $%ch ch?a HNO 33\ vH2O-'\ thu c [2(l) kh NO ([' [2o W c]ng 9Lu k9En vL t p).o B@nh ['v [2. NO l B>n ph^m kh_ $u6 nht cSa NO `3.

+. ['& [2 . [' [2 C. ['b [2 0. khDng @c %nh.Cu 9.Cho h9En tng Bau I cho !Tt BRt $ vo $ung $%ch HNO3lo8ng thu c $ung $%ch 7. Ch9a $ung $%ch 7 thnh 2 phKn !"ngnhau I hKn d I cho vo $ung $%ch NaOH th6 c k:t tSa tRng anh v ho@ nQu ngo9 khDng kh.

hKn dd I cho $ung $%ch H2O-lo8ng vo th6 c kh khDng mu ho@ nQu ngo9 khDng kh.H86 cho !9:t $ung $%ch 7 ch?a cht g e

+. UF(NO3)3. . UF(NO3)3v HNO3 C. UF(NO3)2 0. UF(NO3)2v UF(NO3)3.Cu 10.fh9 cho Cu t@c $ng v#9 HNO3Zc nng thu c kh $u6 nht. H86 cho !9:t l kh ge

+. H2 . O2 C. O3 0. NO2Cu 11.Cho BG ph>n ?ng BauI Cht + HNO3 Zc nng ` .... NO2 .... (')Cho !9:t t lE k & B< mol NO2J B< mol +. H86 cho !9:t k:t luin no Bau Q6 jnge

+. k l B< FlFcton m cht + c th; nhAng 9 kh9 t@c $ng v#9 HNO3. . k l ho@ t% cSa cht + .C. k l ho@ t% cSa k9m lo9 tong c@c mu Lu jng.

Cu 12.Nh9Et phQn hon ton -P gam mTt mu6 a hon ton B>n ph^m nh9Et phQn mu

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Cu 19. Cho 2/4g Cu ph>n ?ng hon ton v#9 2/2g $ung $%ch HNO345 thu c $ung $%ch +. 7@c %nh C5 $ung $%ch + !9:t"ng n:u th=m 2'ml$ung $%ch fOH '\ vo $ung $%ch + 9 cD cn nung B>n ph^m :n khn ?ng) thu c ' gam $ung $%ch7. *ong $ung $%ch 7 nng T 5 cSa a9t l 435. *nh C5 cSa $ung $%ch HNO3!an Ku.

A. 42% . 3'/5 C. 435 0. @p @n kh@c.Cu 36.HYa tan hYa ton '-- gam hn hp 7 gm +l v UF tong $ung $%ch HNO3lo8ng $ thu c 4-,4 lt kh NO $u6 nht

!a6 a W 9Lu k9En t9=u chu^n. *nh 5 kh

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Cu 39.Cho mTt lng nhs $ung $%ch ch?a O2vo !nh ng K6 kh NO2. i6 njt l9 lRc n ?ng >6 a.