Re: How to i convert g/mol to mol% g/dm3 mg/ml « Reply #9 on: November 17, 2011, 06:49:41 PM » You have the concentration in mmol/L, and you want to convert to g/L (which is the same as g/dm3). Hint: use the molar mass. Once you have it in g/L converting...
一个深度为h的满k叉树，最多有多少个叶结点？（独根树深度为0）(单选)There is a full k-ary tree, whose depth is h. How many leaf nodes can it have at most? (The depth of a tree, which only has a root node, is 0.)（There is only one cor...一...
What is the concentration of a solution made by diluting {eq}\rm 10.0\ mL {/eq} of {eq}\rm 0.685\ mol/L {/eq} {eq}\rm NaBr {/eq} to {eq}\rm 300\ mL {/eq}?DILUTION EQUATIONDilution equation is used to calculate the unknown quantity in a solu...
The molarity is given under the equation, {eq}\rm M = \dfrac{N}{V} {/eq} Here, {eq}\rm N = \text{Number of Mol}\\ V = \text{Volume} {/eq} Acc... Learn more about this topic: Molarity vs Molality | Comparison, Formula & Examples ...
将50.0 mL 0.100 mol/L ( NH4 ) 2SO4 溶液,加入到 50.0 mL 0.200 mol/L NH3·H2O 溶液中,得到的缓冲溶液 pH 是( ) [KbΘ(NH3·H2O)=1.8×10-5]A.8.70B.9.56C.9.26D.9.00的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习
To solve the problem, we need to determine the volume of 0.2 M NaOH required to achieve a pH of 4.74 when added to 50 ml of 0.2 M acetic acid. 1. Identify the given values: - Concentration of acetic acid (HA) = 0.2 M - Vo
Answer and Explanation:1 We were given the following: 274 mL of a 0.680 M NaCl solution 72 mL of a 0.220 M NaCl solution 1. First, we have to calculate the number of moles...
By writing out the dissolution equation and applying the stoichiometric relations between the molecular solid and the constituent ions, we may simplify the expression and solve for the molar solubility of the salt.Answer and Explanation: The equation for the dissolution of ...
Question: Calculate the number of moles of solute in {eq}\rm 30.13\ mL {/eq} of {eq}\rm 0.1375\ M\ K_2Cr_2O_7\ (aq) {/eq}. Number of moles and molarity: The number of moles is the parameter to express the amount of substance. The S.I unit used is '...
Remember that mass, volume, and density are related by the equation d= m/v. Mass is usually measured in grams or some factor of it (kg, mg, etc). Volume is measured in liters or some factor, and so density is measured in grams per liter or equivalent....