a. Write general expressions for the terms: i. pH ii. Kw iii. Ka b. What is the

Question:

a. Write general expressions for the terms:

i. pH

ii. Kw

iii. Ka

b. What is the pH of 0.004 00 mol dm^–3 HCl(aq)? Show your working.

c. What is the pH of 0.004 00 mol dm^–3 butanoic acid(aq)? (Ka = 1.51 × 10^–5 mol dm^–3)

d. 0.25 mol of sodium hydroxide is dissolved in 2.00 dm³ of water. Calculate the concentration and pH of the sodium hydroxide solution. (Kw = 1.00 × 10^–14 mol² dm^–6)

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Cambridge International AS And A Level Chemistry Coursebook

ISBN: 9781316637739

2nd Edition

Authors: Lawrie Ryan, Roger Norris

See More Books

Question Posted: Sep 22, 2021 02:48 AM

See More Questions

Write general expressions for the electric and magnetic fields of a 1-GHz sinusoidal plane wave traveling in the y-direction in a lossless nonmagnetic medium with relative permittivity r = 9....
What is the pH of a buffer prepared by adding 30.0 mL of 0.15 M HC2H3O2 (acetic acid) to 70.0 mL of 0.20 M NaC2H3O2 (sodium acetate)?
What is the pH of the following buer mixtures? a. 100 mL 1 M acetic acid plus 100 mL 0.5 M sodium acetate b. 250 mL 0.3 M phosphoric acid plus 250 mL 0.8 M KH2PO4
The portfolio of stock that comprises the ASX200 index is currently worth $5000. The continuously compounded interest rates on Australian government bonds is 1.5% per annum for each of the next five...
Sketch the areas under the standard normal curve over the indicated intervals and find the specified areas. Between z = 2.18 and z = 1.34
List some occupations or sporting events where the ending is a dominant element in evaluating success.
Imagine that you take a metal spring, compress it to its most compact length, and tie some string around it to keep it compressed. There is now potential energy stored in the compressed spring. You...
Eastport Companys operating budgets reveal the following information: net sales, $400,000; beginning materials inventory, $23,000; materials purchased, $185,000; beginning work in process inventory,...
16. The area (in sq. units) of the part of the circle x + y=36, which is outside the parabola y = 9x is: (a) 24+33 (b) 24-33 (c) 12+33 (d) 12-33
If prices were lowered from $50 to $43 and quantity demanded rose from 15 to 16, calculate elasticity; state whether demand is elastic, unit elastic, or inelastic; and find how much total revenue was...
Calculate the pH of the following solutions: a. [H + ] = 3.00 10 4 mol dm 3 b. [H + ] = 1.00 10 2 mol dm 3 c. [H + ] = 4.00 10 8 mol dm 3 d. [H + ] = 5.40 10 12 mol dm 3 e. [H + ] = 7.80 10 10...
Calculate the concentration of hydrogen ions in solutions having the following pH values: a. pH 2.90 b. pH 3.70 c. pH 11.2 d. pH 5.40 e. pH 12.9
1. Why is it difficult to detect deception? 2. How can text/data mining be used to detect deception in text? 3. What do you think are the main challenges for such an automated system?
Can deviance be conceptualized as a form of resistance or rebellion against prevailing social structures, and if so, how does this influence strategies of social control ?
What are the different ways that the word 'zombie' is used by Phillips and The Cranberries to describe different things? Does the definition of a 'zombie' always refer to the living dead? What else...
David holds a US equity portfolio of 100M and wants to hedge its position using S&P500 futures. Given Futures price of S&P 500 is 1,000 Beta of portfolio is 1.3 One contract is on $250 times the...
Discuss and give example how deontology and consequentialism relates to consent in nursing profession.
Composite bands are composed of multiple families, requiring a more structured leadership. Why?
An FM radio station broadcasts at a frequency of 89.3 MHz. The power radiated from the antenna is 50.0 kW. (a) What is the energy in electron-volts of each photon radiated by the antenna? (b) How...
Which one of the following anhydrous chloride is not obtained on direct heating of its hydrated chloride? (A) BaCl2 (B) CaClz (C) MgCl2 (D) SrCl2
Provide a systematic (IUPAC) name for the compound below. Be careful: This compound has two chirality centers (can you find them?).
The compound above is an artificial flavor added to microwave popcorn and movietheater popcorn to simulate the butter flavor. Interestingly, this very same compound is also known to contribute to...
Identify the reagents necessary to achieve each of the following transformations: (a) (b) (c) (d) (e) (f) HO H.
= Simplify the expression. 32 321-3 (Simplify your answer. Use positive exponents only. Use integers or fractions for any numbers in the expression.)
If 3x dx = 18 and b = 2a, then find the value of a to the hundredths place: ,
y = x4 dy dx

a. Write general expressions for the terms: i. pH ii. Kw iii. Ka b. What is the

Question:

Step by Step Answer:

i pH log H log 0004 00 mol dm3 1 ii Kw HOHKw 100 1014 mol2 dm6 100 1014 mol2 d...View the full answer

Cambridge International AS And A Level Chemistry Coursebook

Students also viewed these Sciences questions