h 7造句

例句与造句

1. It has the molecular formula C 3 H 7 CONH 2.
2. Its empirical chemical formula is KC 6 H 7 O 6.
3. Its empirical formula is NaC 6 H 7 O 6.
4. C 6 H 7 +, which is protonated benzene.
5. Its molecular formula is C 5 H 7 N 3 O 2.
6. It's difficult to find h 7 in a sentence. 用h 7造句挺难的
7. The formula of the butyrate ion is C 4 H 7 O 2 & minus;.
8. For example, the ion C 7 H 7 2 + has a mass of 91 Da.
9. "' Acetoguanamine "'is an organic compound with the chemical formula C 4 H 7 N 5.
10. "' 1-Bromonaphthalene "'is an organic compound with the formula C 10 H 7 Br.
11. It has the chemical formula C 3 H 7 Cl and is prepared by refluxing isopropyl alcohol with concentrated hydrochloric acid and zinc chloride.
12. "' 2-Bromobutyric acid "'is an carboxylic acid with the molecular formula C 4 H 7 BrO 2.
13. Chemically, it is the calcium salt of erythorbic acid, with the chemical formula Ca ( C 6 H 7 O 6 ) 2.
14. "' 2-Naphthylamine "'is one of two isomeric aminonaphthalenes, compounds with the formula C 10 H 7 NH 2.
15. The calcium salt, Ca ( C 4 H 7 O 2 ) 2 稨 2 O, is less soluble in hot water than in cold.
16. Mn ( ? 5-C 9 H 7 ) ( CO ) 3 did undergo CO loss and was found to substitute via an S N 2 mechanism.
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