﻿ What is the pH of a solution with a hydronium concentration of 2.88 × 10-2 M? - AssignmentGrade.com

# What is the pH of a solution with a hydronium concentration of 2.88 × 10-2 M?

QUESTION POSTED AT 01/06/2020 - 02:42 PM

PH=-lg[H⁺]

[H⁺]=2.88*10⁻² mol/L

pH=-lg(2.88*10⁻²)=1.54

pH=1.54

## Related questions

### A substance composed of two or more elements in a fixed, definite proportion is a.a homogeneous mixture. b.a heterogeneous mixture. c.a compound. d.a solution. e.an alloy.

QUESTION POSTED AT 02/06/2020 - 01:58 AM

### Which statement best describes the change that is associated with the enthalpy of solution? Each step of the process is exothermic when the enthalpy of solution is negative. Each step of the process is endothermic when the enthalpy of solution is positive. Two steps of the process are exothermic, and one step is endothermic. Two steps of the process are endothermic, and one step is exothermic.

QUESTION POSTED AT 02/06/2020 - 01:41 AM

### What volume of 0.3682 M H2SO4 solution is required to react with 0.4198 grams of Al(CN)3 according to the reaction, 2 Al(CN)3 + 3 H2SO4  6 HCN + Al2(SO4)3?

QUESTION POSTED AT 02/06/2020 - 01:34 AM

### You have 75.0 mL of a 2.50 M solution of Na2CrO4(aq). You also have 125 mL of a 1.79 M solution of AgNO3(aq). Calculate the concentration of CrO42– after the two solutions are mixed together.

QUESTION POSTED AT 02/06/2020 - 01:19 AM

### Is Octylphenol ethoxylate a solvent or solute

QUESTION POSTED AT 01/06/2020 - 04:44 PM

### A chemical supply company sells sulfuric acid (H2SO4) in a concentration of 4.00 M. What volume of this solution would you need to make 12.0 mL of a 0.50 M H2SO4 solution? what is the volume needed?

QUESTION POSTED AT 01/06/2020 - 03:35 PM

### What occurs when there are OH- ions in a solution?

QUESTION POSTED AT 01/06/2020 - 03:07 PM

### A solution is a(n) A. heterogeneous mixture. B. homogenous mixture. C. mixture where everything keeps it's own properties.

QUESTION POSTED AT 01/06/2020 - 02:55 PM

### Write the equation for the dissolution of sodium carbonate in water as found in your laboratory guide. Na˘2CO˘3 + 2H˘2O —› 2Na^+ + 2OH^- + H˘2CO˘3 When sodium carbonate is dissolved in water, it doesn’t dissociate, or break up, completely. There is always some sodium carbonate in solution. Knowing this, which of the two samples is most alkaline? Explain why you say this.

QUESTION POSTED AT 01/06/2020 - 02:51 PM

### Covalent compounds do not conduct electric current in a water solution well because they _____.

QUESTION POSTED AT 01/06/2020 - 02:41 PM

### Which is a characteristic of a solution

QUESTION POSTED AT 01/06/2020 - 02:17 PM

### Which of the following is not a common sign of a possible chemical reaction? A. Warming or cooling B. Formation of bubbles C. Change in odor D. Dissolved solute

QUESTION POSTED AT 01/06/2020 - 02:09 PM

### 7]how many milliliters of a 1.25 molar hydrochloric acid (hcl) solution would be needed to react completely with 60.0 grams of calcium metal? ca (s) + 2hcl (aq) yields cacl2 (aq) + h2 (g) 1200 ml 2400 ml 3750 ml 9600 ml

QUESTION POSTED AT 01/06/2020 - 01:40 PM

### Why is a solution of naoh which was standardized yesterday unsuitable to be used as a standard solution today?

QUESTION POSTED AT 01/06/2020 - 01:35 PM

### Normally the systemic arterial blood has a po2 of about _____ mm hg, a pco2 of about _____ mm hg, and a ph of _____.

QUESTION POSTED AT 01/06/2020 - 01:10 PM

### Of the metals pb, mg, au, and na, which will not spontaneously donate electrons to copper in solution?

QUESTION POSTED AT 01/06/2020 - 01:09 PM

### Here is a more complex redox reaction involving the permanganate ion in acidic solution: 5fe2+ + 8h+ + mno4? ? 5fe3+ +mn2+ + 4h2o

QUESTION POSTED AT 01/06/2020 - 01:02 PM

### Diffusion is the net movement of substances from an area of ___ concentration to an area of ___ concentration.

QUESTION POSTED AT 01/06/2020 - 12:22 PM

### All the following can result in the disruption of a protein's ability to function, except A. mechanic agitations. B. maintaining the protein's shape. C. high temperatures. D. extreme pH conditions.

QUESTION POSTED AT 01/06/2020 - 12:21 PM

### How many moles of AgNO3 are present in 1.50 L of a 0.050 M solution?

QUESTION POSTED AT 01/06/2020 - 12:10 PM

### How many grams of Mg are needed to react completely with 3.80 L of a 2.50 M HF solution?

QUESTION POSTED AT 01/06/2020 - 12:05 PM

### If 32.5 grams of CaO are dissolved in 212 grams of water, what is the concentration of the solution in percent by mass?

QUESTION POSTED AT 01/06/2020 - 12:03 PM

### Assume a reaction takes place in a basic solution to form the given products: mno4-(aq) + cl-(aq) --------> mno2(s) + cl2(g) (unbalanced) i. Balance the given half reactions for atoms and charge

QUESTION POSTED AT 29/05/2020 - 05:10 PM

### Which statement best describes a solution? 1.a mixture consisting of minute particles suspended in a medium that start moving about as soon as the mixing process stops 2.a mixture consisting of larger particles suspended in a medium that start settling down as soon as the mixing process stops 3.a mixture having a uniform composition where the components can't be seen separately and all components are in the same state 4.a mixture having a uniform composition but the components can be seen separately and all components are in a different state

QUESTION POSTED AT 29/05/2020 - 04:10 PM

### Which is a practical application of boiling-point elevation? A. Cooling a supersaturated sugar-and-water solution to form rock candy. B. Burning coal to make the steam that powers a steam engine. C. Adding antifreeze to water in a car radiator in summer to raise the boiling point. D. Boiling sea water to recover the salt it contains.

QUESTION POSTED AT 29/05/2020 - 03:33 PM

### Which best describes the definition of Lewis acids and bases? a general definition based on electron structure a general definition based on hydrogen ion concentration a specific definition based on a compound’s ability to accept protons a specific definition based on a compound’s ability to donate protons

QUESTION POSTED AT 29/05/2020 - 03:07 PM

### How many grams of potassium nitrate would form if 2.25 liters of a 1.5 molar lead nitrate solution reacts with 1.15 liters of a 2.75 molar potassium chromate solution?

QUESTION POSTED AT 29/05/2020 - 02:17 PM

### Question 2 the osmotic pressure exerted by a solution is equal to the molarity multiplied by the absolute temperature and the gas constant r. suppose the osmotic pressure of a certain solution is measured to be 15.atm at an absolute temperature of 399.k.write an equation that will let you calculate the molarity c of this solution. your equation should contain only symbols. be sure you define each symbol other than r.

QUESTION POSTED AT 29/05/2020 - 02:16 PM

### When marco is sick, he tests the ph of his saliva and finds that it is 5.9. what is the hydrogen ion concentration of his saliva? (round your answer to seven decimal places.)?

QUESTION POSTED AT 29/05/2020 - 02:15 PM

### When aqueous solutions of potassium carbonate and silver(i) nitrate are combined, solid silver(i) carbonate and a solution of potassium nitrate are formed. the net ionic equation for this reaction is:?

QUESTION POSTED AT 29/05/2020 - 02:14 PM