To find the mole fraction of solute in a one molal aqueous solution, we can follow these steps:1. Understand the Definition of Molality: - Molality (m) is defined as the number of moles of solute per kilogram of solvent. A
百度试题 结果1 题目Question. What is the mole fraction of the solute in a 1.00 m aqueous solution?C(a) 1.770(b) 0.0354(c)0.0177(d) 0.177 相关知识点: 试题来源: 解析 c 反馈 收藏
4. What is the mole fraction of the solute in a 1. 20 mol . kg aqueous solution? 相关知识点: 试题来源: 解析 4.【分析】题目指出,在1.00kg水中含有溶质1.20 mol。 水的M =18.0,则水的物质的量 n(H_2O)_2=1000g/18.0g⋅mol^(-1)=55.6mol x_B=(1.20mol)/((1.20+55.6)mol)=0.0211...
Dequal to the mole fraction of the solvent. Submit A molal solution is one that contains one mole of a solute in View Solution Free Ncert Solutions English Medium NCERT Solutions NCERT Solutions for Class 12 English Medium NCERT Solutions for Class 11 English Medium ...
The same conditions were provided to measure the mole fraction in the aqueous solution of MgCl 2 at molalities of 0.325 and 0.670molkg 1 . We also report the mole fraction of ethane in aqueous solution of NaCl at molalities of 1.901 and 3.020molkg 1 , temperatures of 273.15–278.15K, ...
Mass per unit volume (e.g., kg m−3, g l−1, lb ft−3). 3. Parts per million, ppm. This is used for very dilute solutions. Usually, ppm is a mass fraction for solids and liquids and a mole fraction for gases. For example, an aqueous solution of 20 ppm manganese contains...
Q.A 5.2 molal aqueous solution of methyl alcohol, $\mathrm{CH}_{3} \mathrm{OH}$, is supplied. What is the mole fraction of methyl alcohol in the solution ?(1) 0.086 (2) 0.050 (3) 0.100 (4) 0.190[AIEEE-2011] Ans.(1)$5.2 \mathrm{m} \mathrm{CH}_{3} \mathrm{OH}$ ie $...
Calculate the molality and mass percent of an aqueous solution of Na2CO3 which has a solute mole fraction of 0.365. What is the molality of a solution in which the NaOH mole fraction is 0.10 and water is 0.90? 1. Calculate molality (m), in mol...
Dissolution and solubility of the ([Ba.sub.x][Sr.sub.1-x])HAs[O.sub.4] x [H.sub.2]O solid solution in aqueous solution at 25[degrees]C and pH 2 It follows from (3) that decreasing the molecular weight of gas phase and increasing the mole fraction of oxidizing gas a lead to ...
Mole Fraction:The fraction of a solute that is present in a solution expressed in terms of the number of moles of the solute and the solution is called the mole fraction of the solute in the solution. Mathematically it is expressed as Mole fraction of the solute=Number of mol...