Cr(H20)2(C2O4)2的分子量 268.3517 g/mol Cr(H20)2(C2O4)2的摩尔质量和分子量为{1,数字}。 由Cr(H20)2(C2O4)2组成 元素标志原子质量原子#质量百分比 鉻 Cr 51.9961 g/mol 1 19.3761% 氫 H 40.3176 g/mol 40 15.0242% 碳 C 48.0428 g/mol 4 17.9029% 氧 O 127.9952 g/mol 8 47.6968%...
Crystal structure of quinolinium trans-diaquabis(oxalato-O,O′)- chromate(III), [C9H8N][Cr(H2O)2(C2O4)2]C(13)H(12)CrNO(10), monoclinic, P12(1)/cl (no. 14), a = 7.541(1) angstrom, b = 10.936(2) angstrom, c = 18.594(3) angstrom, beta = 94.261(3)degrees, V =...
Convert K(Cr(C2O4)2(H2O)2)3H2O From Moles to Grams Molesmol Convert to Grams and Molecules Convert K(Cr(C2O4)2(H2O)2)3H2O From Grams to Moles and Molecules Weightg Convert to Moles Composition of K(Cr(C2O4)2(H2O)2)3H2O ...
The preparation, crystal structure and magnetic properties of PPh4[Cr(bpym)(C2O4)2]·H2O (1) and [Ag(bpym)][Cr(C2O4)2(H2O)2]·2H2O (2) (C2O4 2−=oxalate dianion, bpym=2,2′-bipyrimidine and PPh4 +=tetraphenylphosphonium cation) are described. The structure of 1 is made ...
一个H2O分子在冰结晶中,可以形成四个方向的氢键 每个氢键被两个H2O分子共用,平均每个水分子有2个氢键 因此18g 冰 = 1mol H2O,总共有2mol即2NA个氢键 那个答案似乎有问题吧?
The reaction between the heteroleptic tris-chelated chromium(III) complex PPh 4[Cr(bpym)(ox) 2]·H 2O ( 1) [PPh 4 +=tetraphenylphosphonium cation, bpym=2,2′-bipyrimidine and ox=oxalate dianion] and silver(I) in aqueous solution affords the ionic salt {[Ag(bpym)][Cr(ox) 2(H 2O...
决定物质性质的重要因素是物质结构,请回答下列问题:(1)某Cr的配合物K[Cr(C2O4)2(H2O)2]中,配体有___种,配位原子是___;与C2O42-互为等电子体的分子是(填化学式)___;(2)CaO晶胞
【答案】：解：C中心原子氧化数为+3，故答案D不正确；命名时，配体按先无机配体、后有机配体顺序，故答案A不正确；按先离子配体、后分子配体顺序，且配体应分别称为草酸根、羟，故答案B不正确。综上所述：答案C正确。
oxalate bridgedmagnetic propertiesA new dinuclear nickel(II) compound, [Ni2(TPA)2(-C2O4)](H2O)0.75(ClO4)2 [TPA = tris(2-pyridylmethyl) amine],... L Yang,Y Peng,F Bian,... - 《Journal of Coordination Chemistry》 被引量: 17发表: 2003年 Hydrothermal synthesis and crystal structure...
故答案为:C2O42-、H2O;N2O4;(2)由CaO晶胞结构可知,CaO晶体中每个O2-的周围有6个Ca2+,每个Ca2+的周围有6个O2-,与每一个钙离子距离最近并且距离相等的钙离子是x、y、z平面上各有4个,即与每一个钙离子距离最近并且距离相等的钙离子有12个,CaO晶体中离子均为二价离子,所带电量较Na+、Cl-大,晶格能较...