User Account

All Pages

Calculate the ph

Assignment Help Chemistry
Reference no: EM13152075

a solution is made by mixing 20.0 mL 0.4 M NaCH3COO with 30.0 mL 0.4 M CH3COOH, calculate the pH? For acetic acid, Ka = 1.76 x 10-5.

Reference no: EM13152075

Questions Cloud

Using least-squares regression estimate the variable cost : Using least-squares regression, estimate the variable cost elements of monthly car wash costs.
The wholesale cost of the fryers : The current price for whole fryers is $.89 per pound. The proposal is to set a promotional price of $.59 per pound. The wholesale cost of the fryers, prepackaged and ready for sale, is $.55 per pound.
Franchises that operate from commerical building : Why might you expect to see flat royalty payments in home based franchises but reveneue based royalities in franchises that operate from commerical building?
Lower of cost or market for ending inventory : Compute the lower of cost or market for ending inventory assuming Lopez applies the lower of cost or market rule to inventory as a whole. Must Lopez adjust the reported inventory value? Explain.
Calculate the ph : a solution is made by mixing 20.0 mL 0.4 M NaCH3COO with 30.0 mL 0.4 M CH3COOH, calculate the pH? For acetic acid, Ka = 1.76 x 10-5.
What will be this monopolist total economic profit : What price will the firm charge in each market? Based solely on these two prices, which market has the higher price elasticity of demand? What will be this monopolist's total economic profit?
Compute the number of moles of khp : Calculate the number of moles of KHP? b. How many moles of NaOH will react with the KHP dissolved in water? c. Calculate the Molarity of the NaOH solution?
How many moles of nh3 will be formed : Nitrogen and hydrogen gases are combined at high temperatures and pressures to produce ammonia, NH3. If 104.7 g of N2 are reacted with excess H2, how many moles of NH3 will be formed?
Determine the distance between two atoms : In the first step of the trypsin mechanism, the side-chain oxygen of Ser 195 attacks the carbonyl carbon of the substrate. Use PyMOL and your model of the enzyme substrate complex to determine the distance between these two atoms.

Reviews

Write a Review

Chemistry Questions & Answers

  What is the rate constant for this reaction

The reactant concentration in a first-order reaction was 6.80×10-2 M after 10.0 s and 4.40×10-3 M after 65.0s . What is the rate constant for this reaction?

  Name two amino acids that are mostly positively charged

Name two amino acids that are mostly positively charged at neutral pH. A Lysine and arginine B Histidine and arginine C Cysteine

  What is the solubility of the gas

If the solubility of a gas is 7.5 g/L at 404 kPa pressure, what is the solubility of the gas when the pressure is 202 kPa.

  Radio message to reach earth from saturn

Radio waves travel at the speed =3.00 108 m/s(speed of light,). if Saturn is 7.9 108 km from Earth then Determine how many minutes does it take for a radio message to reach Earth from Saturn?

  A separatory funnel is used for separating liquids

a separatory funnel is used in this method of separating liquids . f. liquid is allowed to evaporate, leaving the solid behind c. element

  Determine the standard reaction enthalpy

Determine the standard reaction enthalpy for the partial combustion of methane to carbon monoxide according to the following reaction:

  How many grams of ice can be melted

How many grams of ice at 0 degrees Celsius and 101.3 kpa can be melted with the addition of 0.400 kJ of heat.

  What is the final volume of neon gas

What is the final volume of 845 mL of neon gas at 202°C if the gas is cooled to 86.0°C?

  Estimate molarity of lactose in milk

On average, cow milk is 4.7%(w/w) lactose. The molecular weight of this disaccharide is 342.3g C12H22011. Assuming milk has the density of water.

  Which graduated cylinder would have greatest volume change

Which graduated cylinder would have the greatest volume change if equal masses of Au and Pt are transferred to equal volumes of H2O in separate graduated cylinders? Density of gold = 19.31 g/cm3 , density of platinum =21.43 g/cm3

  Calculate the amount of heat required

Calculate the amount of heat required to completely sublime 61.0 g of solid dry ice CO2 at its sublimation temperature. The heat of sublimation for carbon dioxide is 32.3 {kJ}/{mol}.

  How can say when looking at organic compounds is saturated

How can you tell when looking at organic compounds what is saturated? Here are some examples?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd