What property must a substance have if you want to use the substance to make an aqueous solution?Aqueous solutionThe solution which involves water as a solvent is defined as an aqueous solution. To prepare an aqueous solution, the substance should be completely ...
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...
An aqueous solution is a solution that is composed of solute molecules or ions that are dissolved in water. Aqueous species are written with a...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough ...
百度试题 结果1 题目42. What is the concentration of an aqueous solution that contains 1.5 moles of NaCl in 500. milliliters of this solution?(3)(1) 0.30M (3) 3.0M(2) 0.75M (4) 7.5 M 相关知识点: 试题来源: 解析 (3) 反馈 收藏 ...
In an aqueous solution, the relation between the molar concentrations of H{eq}_3 {/eq}O{eq}^+ {/eq} ([H{eq}_3 {/eq}O{eq}^+ {/eq}]) and OH{eq}^- {/eq}...Become a member and unlock all Study Answers Try it risk-free for 30 days Try it risk-free Ask a...
What is the {eq}\left [ OH^- \right ] {/eq} in an aqueous solution with a pH of 8.5?pH of a Solution:Primarily, what is measured by the pH of a solution is the concentration of the hydronium ions present in the solution. One of the main purposes of using the pH of a ...
To determine the nature of an aqueous solution of sodium carbonate (Na2CO3), we can follow these steps:Step 1: Dissolution of Sodium Carbonate When sodium carbonate is added to water, it dissolves and dissociates into its const
To find the pOH of the given aqueous solution, we will follow these steps:Step 1: Calculate the OH⁻ concentration We know that the ionic product constant of water (Kw) is given by the formula:\( Kw = (H^+)(OH^-) \)
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
百度试题 结果1 题目38. When an aqueous solution of KI is electrolyzed, what forms at the anode?B(A)$$ O _ { 2 } $$ (B) $$ I _ { 2 } $$ (C) K (D)$$ H _ { 2 } O $$ 相关知识点: 试题来源: 解析 B 反馈 收藏 ...