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Kristalgidrat tarkibidagi “n” qiymatini topish



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10. Kristalgidrat tarkibidagi “n” qiymatini topish.

1. Taxir tuz deb ataluvchi MgSO4 . n H2O modda tarkibida S - 13% bo’lsa, “n” qiymatini toping.


A) 5 B) 6 C) 7 D) 8
2. Bura deb ataluvchi Na2B4O7 . n H2O modda tarkibida Na-12.04% bo’lsa, “n” qiymatini toping.
A) 12 B) 8 C) 10 D) 11
3. Pretsipitat deb ataluvchi CaHPO4 . n H2O modda tarkibida P-18.02% bo’lsa, “n” qiymatini toping.
A) 1 B) 2 C) 3 D) 4
4. Mis kuporosi deb ataluvchi CuSO4 . n H2O modda tarkibida S-12.8% bo’lsa, “n” qiymatini toping.
A) 6 B) 5 C) 4 D) 8
5. Kristall soda deb ataluvchi Na2CO3 . n H2O modda tarkibida Na va C massa ulushi 20.28% bo’lsa, “n” qiymatini toping.
A) 10 B) 9 C) 11 D) 5
6. Gips deb ataluvchi CaSO4 . n H2O modda tarkibida Ca-23.25% bo’lsa, “n” qiymatini toping.
A) 2 B) 0,5 C) 1 D) 5
7. Albaster deb ataluvchi CaSO4 . n H2O modda tarkibida S va Ca massa ulushi 42.76% bo’lsa, “n” qiymatini toping.
A) 0,5 B) 1 C) 5 D) 2
8. MnSO4 . n H2O modda tarkibida S-14.35% bo’lsa, “n” qiymatini toping.
A) 1 B) 2 C) 3 D) 4
9. Temir kuporosi deb ataluvchi FeSO4 . n H2O modda tarkibida Fe va S ning massa ulushi 31.65 % bo’lsa, “n” qiymatini toping.
A) 5 B) 6 C) 8 D) 7
10. Al(NO3)3 . n H2O modda tarkibida N-15.73% bo’lsa, “n” qiymatini toping.
A) 1 B) 2 C) 3 D) 4

11. Kristalgidrat tarkibidagi “n” topish (2 xil usulda).

1. Na2HPO4 . n H2O kristalgidrat tarkibida H ning massa ulushi H-3.57 % teng bo’lsa “n” qiymatini toping.


A) 2 B) 4 C) 3 D) 5
2. CaHPO4 . n H2O kristalgidrat tarkibida H ning massa ulushi H-2.9 % teng bo’lsa “n” qiymatini toping.
A) 1 B) 2 C) 3 D) 4
3. Na2CO3 . nH2O kristalgidrat tarkibida O ning massa ulushi O – 72.7 % teng bo’lsa “n” qiymatini toping.
A) 9 B) 10 C) 8 D) 11
4. CaSO4 . nH2O kristalgidrat tarkibida O ning massa ulushi O-58.9% teng bo’lsa “n” qiymatini toping.
A) 2 B) 3 C) 4 D) 5
5. Fe2(SO4)3 . n H2O kristalgidrat tarkibida O ning massa ulushi O-57.79% teng bo’lsa “n” qiymatini toping.
A) 3 B) 4 C) 2 D) 5
6. Al(NO3)3 . nH2O kristalgidrat tarkibida O ning massa ulushi O-72.98% teng bo’lsa “n” qiymatini toping.
A) 3 B) 4 C) 5 D) 6
7. KH2PO4 . nH2O kristalgidrat tarkibida H ning massa ulushi H-3.49% teng bo’lsa “n” qiymatini toping.
A) 2 B) 3 C) 4 D) 5
8. Na2B4O7 . nH2O kristalgidrat tarkibida O ning massa ulushi O-72.7% teng bo’lsa “n” qiymatini toping.
A) 9 B) 10 C) 11 D) 12
9. MgHPO4 . nH2O kristalgidrat tarkibida H ning massa ulushi H- 4.02% teng bo’lsa “n” qiymatini toping.
A) 2 B) 3 C) 4 D) 5
10. Na2SO4 . nH2O kristalgidrat tarkibida O ning massa ulushi O - 67.13% teng bo’lsa “n” qiymatini toping
A) 8 B) 9 C) 10 D) 11



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