Calculate the mass of honh2 required to dissolve

Reference no: EM13161870

Calculate the mass of HONH2 required to dissolve in enough water to make 250.0 ml of solution having a pHof 10.00 (Kb=1.1*10 (-8).

Reference no: EM13161870

Questions Cloud

How many grams of a stock solution is needed : How many grams of a stock solution that is 85.5 percent H2SO4 by mass would be needed to make 150 grams of a 45.0 percent by mass solution?

What is the literature value for the ksp : what is the literature value for the Ksp of potassium hydrogen tartrate in water at 10, 22.5, 35, 50 degrees?

Twitter charged users to access their service : In terms of customer's paying to use Twitter, what do you think of the "buy up" concept. That works well with game programs. The first 15-20 levels are free... you pay for the next 50.

What is the activation energy of the reaction : Consider the reaction NO + O3 → NO2 + O2 Which has a rate constant given by k = 1.8×10-12 e-1370/T cm3 molecules-1 s-1

Calculate the mass of honh2 required to dissolve : Calculate the mass of HONH2 required to dissolve in enough water to make 250.0 ml of solution having a pHof 10.00 (Kb=1.1*10 (-8).

Which sample contains the largest number of molecules : Which sample contains the largest number of molecules?

What will be the volume of the gas : The volume of a sample of ideal gas at 25 degrees celius is 372 mL. what will be the volume of the gas if it is heated at constant pressure to 50 degrees celius? what will the volume fo the gas be if it is cooled to -272 degrees celius.

Emperor theodosius : Emperor Theodosius, gave special privileges to Jews. was overthrown by Constantine.

How many liters of hydrogen gas are collected over water : How many liters of hydrogen gas are collected over water at 18 degrees Celsius and 725 mmHg when 0.84 g of lithium reacts with water?

User Account

All Pages