Ergashev Xu



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!!!Eslatma Modda miqdori deb aytilsa (mol), massasi deb yozilgan bo`lsa (g), soni deb yozilsa(ta) topiladi. 1mol=6,02*1023 taga teng.
41. 1000ta vodorod molekulasini massasini toping.
42. 1000ta vodorod atomi saqlagan vodorod molekulasini massasini aniqlang.
43. 0,75 mol H2O ning a)massasini, b)molekulalar sonini, c)atomlar sonini toping d)kislorod atomlar molini e) vodorod atomlar sonini toping?
44. 1,2 mol H2SO4 ning a)massasini, b)molekulalar molini , c)atomlar sonini toping d)kislorod atomlar molini e) vodorod atomlar sonini f)protonlar sonini g)elektronlar molini toping?
45. 2,5 mol K2CO3 ning a)massasini b)molekulalar sonini c)atomlar molini d)uglerod atomlari molini e)kislorod atomlar sonini f)kaliy atomining massasini toping?
46. 4,4 g CO2 ning a)molini b)molekulalar sonini c)atomlar sonini d)kislorod atomlar sonini e)nuklonlar molini f)neytonlar molini toping?
47. 4,9 g H3PO4 ning a)molini b)molekulalar sonini c)atomlar sonini d)kislorod atomlar sonini e)nuklonlar sonini f)neytonlar molini toping?
48. 94 g HNO2 a)molini b)molekulalar sonini c)atomlar sonini d)kislorod atomlar sonini e)nuklonlar molini f)neytonlar molini toping?
49. 12,04*1023 ta molekula saqlagan CaO ning a)molini b)massasini c) kislorod atomlar sonini d)protonlar molini e)neytronlar sonini toping?
50. 18,06*1022 ta atom saqlagan Al2(SO4)3 ning a)molini b)massasini c) oltingugurt atomlar sonini d)protonlar sonini e)neytronlar molini toping?
51. 4,816*1023 ta neytron saqlagan H2O ning a)massasini b)molini c)kislorod atomlar sonini d)protonlar molini toping?

Telegram: @ICC_KIMYO
Ergashev Xusniddin Baxriddinovich +998 97 080 1997
Javoblar:
1-dars. 1) Li, He, Si, Cl, Pt, U, Xe. 2) He geliy, Br – brom, B – bor, C – uglerod, N azot, Zn – rux, S – oltingugurt, Fe – temir, Pa – protaktini. 3) H(3), O(24), Al(40), Fe(82), K(58), Na(34), Ca(60), Ba(193), Mg(36), Be(13), Li(10), N(21), C(18), S(48), P(46), Si(42), 35Cl(52), Br(115), J(180), He(6), F(28). 4) a)16, b)51,61%, c)34,78%, d)31, e)67,4%. 5) a)14, b)50%, c)33,33%, d)28, e)66,66%. 6) a)14, b)51,85%, c)35%, d)27, e)67,5%. 7) a)66, b)57,39%, c)40,24%, d)115, e)70,1%. 8) a)81, b)59,12%, c)41,2%, d)137, e)70,98%. 9) H2S(p=18, e=18, n=16); N2(p=14, e=14, n=14); HNO3(p=32, e=32, n=31). 10) Abs(P)=5.14610-23 gr; Abs(Au)=3,2710-22 gr; Abs(Cr)=8,63210-23gr. 11) S – 32. 12) Ti – 48. 13) Mg – 24. 14) Si – 28. 15) Ca – 40. 16) 2,6510-23 gr. 17) 3,1510-23 gr. 18) 1,47810-22 gr. 19) 8,510-23 gr. 20) 1,8310-23 gr. 21) O2 – 32. 22) H2O – 18. 23) N2 – 28. 24) 5,310-23 gr. 25) 3,3210-24gr. 26) 2,8210-23 gr. 27) Mr=18, abs=2,9910-23 gr, M=18 gr. 28) Mr=98, abs=1,62810-22 gr, M=98 gr. 29) Mr=74, abs=1,22910-22 gr, M=74 gr. 30) Mr=178, abs=2,9510-22 gr, M=178 gr 31) Mr=250, abs=4,1510-22 gr, M=250 gr. 32) 1 va 3; 2 va 4. 33) 0,08 mol. 34) 0,2 mol. 35) 13,2 gr 36) 88,2 gr 37) 64 gr/mol 38) 106gr/mol 39) 1,1810-22gr, 1,8610-22gr, 1,3910-22 gr. 40) 1,2041023 41) 3,3210-21 gr 42) 1,6610-21gr 43) a) 13,5gr, b) 4,5151023 ta, c) 1,351024 ta, d) 4,5151023 ta, e) 9,031023 ta. 44) a) 117,6gr, b) 1,2 mol, c) 5,05681024 ta, d) 4,8mol, e) 1,4441024 ta, f) 3,6121025 ta, g) 60mol. 45) a) 345 gr, b) 1,5051024 ta, c) 15mol, d) 2,5mol, e) 4,5151024 ta f) 195 gr. 46) a) 0,1 mol, b) 6,021022 ta, c) 1,8061023 ta, d) 1,2041023 ta, e) 4,4mol, f) 2,2mol. 47) a) 0,05 mol, b) 3,011022 ta, c) 2,4081023 ta, d) 1,2041023 ta, e) 2,951024 ta, f) 2,4 mol. 48) a) 2 mol, b) 1,2041024 ta, c) 4,8161024 ta, d) 2,4081024 ta, e) 94 mol, f) 46 mol. 49) a) 2 mol, b) 112 gr, c) 12,041023 ta, d) 56 mol, e) 3,371025 ta. 50) a) 0,0176 mol, b) 6,035 gr, c) 3,181022 ta, d) 1,8061024 ta, e) 3,035 mol. 51. a) 1,8 gr, b) 0,1 mol, c) 6,021022 ta, d) 1 mol.

Telegram: @ICC_KIMYO
Ergashev Xusniddin Baxriddinovich +998 97 080 1997

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