Questions LLC
Login
or
Sign Up
Ask a New Question
Chemistry
Chemical Equilibrium
pH Calculation
Calculate the pH of a solution contain 0.300 mole per liter of KH2PO4 and 0.0150 mole per liter of K2HPO4.
1 answer
Use the Henderson-Hasselbalch equation. KH2PO4 is the acid and K2HPO4 is the base.
You can
ask a new question
or
answer this question
.
Similar Questions
Calculate the pH of a buffer solution prepared by dissolving 0.12 mole of cyanic acid, HCNO and 0.65 mole of sodium cyanate,
Top answer:
2.78
Read more.
Consider an exothermic chemical reaction
A (g) + B (g) ⇌ C (g) + 2D (s) 1.00 mole of A and 1.00 mole of B are placed in a 2.00
Top answer:
a) The equilibrium constant for the reaction is K = [C]^2/[A][B] = 0.01. b) Based on the answer to
Read more.
Calculate the mass of KH2PO4 (136.09 g/mole) you will need to prepare 550 mL of the 0.05 M solution.
Top answer:
To calculate the mass of KH2PO4 needed to prepare 550 mL of a 0.05 M solution, we can use the
Read more.
8 g of sulphur is burnt to form SO2 which is oxidized by Cl2 water The solution is treated with BaCl2 solution The amount of
Top answer:
To find the amount of BaSO4 precipitated, we need to determine the chemical equation for the
Read more.
which will become a buffer in 1L of H2O?
a) 0.3 mole KOH & 0.3 mole HBr b) 0.5 mole NH3 & 0.5 mole HCl c) 0.2 mole NaCl & 0.3
Top answer:
yes.
Read more.
0.05 mole of HCL is added to a liter of buffer containing 0.04 mole of NH3 and 0.03 mole of NH4CL. What is the ph? Kb= 1.8X10^-5
Top answer:
To find the pH of the buffer solution after adding 0.05 mol of HCl, we need to consider the reaction
Read more.
A buffer is prepared by mixing 0.30 mole of formic acid (HCNO2) and 0.20 mole of sodium formate (NaCHO2) in enough water to make
Top answer:
Use the Henderson-Hasselbalch equation.
Read more.
a closed gas cylinder contains 0.500 mole h2, 0.300 mole o2, 1.200 mole co2 at a temperature of 25'c and presure of 2.00 atm
1)
Top answer:
To solve both parts of the question, we need to use the Ideal Gas Law, which states: PV = nRT where:
Read more.
the problem is find the pH of a solution prepared by dissolving all of the following in sufficient water to yield 1.00 L of
Top answer:
For those acids that dissociate completely, mol HNO3/L = (H^+) and convert that to pH. For Ca(OH)2,
Read more.
A closed gas cylinder contains 0.500 mole H2, 0.300 mole O2, 1.200 mole CO2 at a temperature of 25 °C and a pressure of 2.00
Top answer:
You have made a statement but didn't ask a question.
Read more.
Related Questions
What is the mass of 4.80 moles of MgCl2?My answer is: Mg=24.3 g/mole
Cl2=35.5g/mole*2=71g/mole so, Mg 24.3+ Cl2 71= 95.3g/mole
7.5 L of hydrogen gas at STP and zinc (II) nitrate was produced by reacting zinc with nitric acid. Calculate the mass of zinc
If a solution contains 0.0100 mole of HCl in 10.0 mL aqueous solution.
a.) What is its molarity? My answer is 1M (0.0100
Calculate the standard heat of reaction at 250C (298K) and 1 atm pressure of
3FeO(s) + 2Al(s) → Al2O3(s) + 3Fe(s) in terms of
Which of the following solutions contain the greatest total ion concentration?
a) one mole of potassium chloride dissolved in
Consider the gold-platinum system which has a value of delta w of -4250 J/mole;
(a) Calculate the enthalpy of mixing for a
Calculate the molality of ethanol in a solution of water, if the mole fraction of ethanol is
0.300.
In a certain experiment, 1.000 mole of N2 (g) and 1.000 mole of H2 were allowed to react at 500°C in a 1.000-liter flask. The
Determine the simplest formula for compounds that have the following analyses. The data may not be exact.
A. 28.5% iron, 48.6% O,
Calculate the pH of the solutions obtained by dissolving the following in a liter of water: 0.2 mole of glycine plus 0.1 mole of
