周期ⅠAⅡAⅢAⅣAⅤAⅥAⅦAO 2CNONe 3NaMgAlSiSCl (1)镁的原子结构示意图为 . (2)H2SO4与HClO4中,酸性较强的是HClO4. (3)NaOH与Al (OH)3中,属于两性氢氧化物的是Al(OH)3.它常用作治疗胃酸(含盐酸)过多的药物,该反应的离子方程式为Al(OH)3+3H+═Al3++3H2O. ...
weak acid c. weak base d.strong base e.neutral Is Sr(OH)2 a strong acid, strong base, weak acid, or weak base? Classify the compound given as a strong acid, weak acid, strong base, or weak base. H_2SO_4. Zn (OH)2 is a: a) strong base b) strong acid c) weak ac...
The Ksp of Al(OH)3 is 1.0×10−3. What is the solubility of Al(OH)3 in a solution that has a pH of 12? Solubility Equilibrium: A chemical equilibrium is defined as the reversible state of a chemical reaction system, in which the concentrations...
Al(OH)3(s)+OH−(aq)⇔[Al(OH)−4](aq),kc Which of the following relationship is correct at which solubility is minimum? A[OH−]=(KspKc)1/3 B[OH−]=(KcKsp)1/4 C[OH−]=√(KspKc)1/4 D[OH−]=(3KspKc)1/4Submit The solubility product Mg(OH)2 in water at ...
What is the H_3O^+ in a solution that contains 1.48 g HNO_3 in 0.560 L of solution? What is [Al(H2 O)5(OH)2+] in a 0.15-M solution of Al(NO3)3 that contains enough of the strong acid HNO3 to bring [H3O+] to ...
Na Mg Al Si S Cl ①表示表中氯原子结构示意图,该原子易___(填“得”或“失”)电子,形成的离子符号为___。 ②表中元素铝和氧形成常见化合物的化学式为___。 (2)胃酸过多可服用抗酸药铝碳酸镁片(AlMg(OH)3CO3)。铝碳酸镁与盐酸的反应为:AlMg(OH)3CO3+5HCl=MgCl2+AlCl3+4H2O+CO2↑。铝碳酸...
The molar solubility iofCd(OH)2is1.84×10−5Min water. The expected solubiliyt ofCd(OH)2in a buffer solution ofpH=10is2.49×10−xM. The numerical value of x is. View Solution pH of saturated solution ofAl(OH)3is9. The solubility product(Ksp)ofAl(OH)3is ...
e, Box plots showing a strong reduction in LHPP expression in Edmondson grade III/IV tumours (aggressive tumours, n = 17) compared to Edmondson grade I/II tumours (less aggressive tumours, n = 42). **P = 0.0036, two-sided Mann–Whitney U test. Edmondson grade I/II (...
Cymarilic acid shows antiangiogenic activity (You et al., 2003). Astaxanthin, a carotenoid of A. amurensis, has antioxidant capacity and other health functions (Zhang et al., 2015). Hydro-methanolic extract of A. wolgensis, containing a high amount of total phenolics (9.20 ± 0.011 mg ...
What ions and / or molecules are present in relatively large proportions in a solution of a strong acid HI (aq)? Which of the following acids will have the highest K_a value? a) NaH b) H_2S c) H_2S Which of the fo...