Preview

Assess The Difference Between Level Of 7 And Ph Of 8

Satisfactory Essays
Open Document
Open Document
169 Words
Grammar
Grammar
Plagiarism
Plagiarism
Writing
Writing
Score
Score
Assess The Difference Between Level Of 7 And Ph Of 8
The pH scale measures how acidic or basic a solution or substance is. It measures between pH 0 (acidic) to pH 7 (neutral) to pH 14 (basic). An acidic solution’s concentration of hydrogen ions is greater than that of hydroxide ions. A neutral solution has an equal number of hydrogen ions and hydroxide ions. A basic solution’s concentration of hydroxide ions is greater than that of hydrogen ions. The difference in concentration of H3O+ ions between a pH of 7 and a pH of 8 is that the pH of 7 has an amount of H3O+ ions that is equal to its amount of OH- ions (neutral), while a pH of 8 has slightly less H3O+ ions molecules than OH+ ions (slightly basic). The difference in concentration of H3O+ ions between a pH of 4 and a pH of 6 is that the pH

You May Also Find These Documents Helpful

  • Powerful Essays

    Exam 3 Study Guide

    • 2646 Words
    • 11 Pages

    The concentration of hydrogen ions in a solution is quantified by pH units. The pH of a solution is defined as the negative logarithm of the hydrogen ion concentration: pH = -log10[H+]…

    • 2646 Words
    • 11 Pages
    Powerful Essays
  • Good Essays

    pH < 7 Basic solutions = pH > 7 • Most biological fluids have pH 6 – 8 – pH values in human stomach can reach 2 • Each pH unit represents a 10-fold difference in H+ & OH- concentrations. Acids and bases • Acids – release H+ ions in water • Bases -- release OH- ions in water • pH is a measure of hydrogen ion (H+) concentration – Lower pH – acidic – Higher pH basic – pH is logarithmic – a difference of 1 (from pH 4 to 5) is actually a ten-fold increase in H+ conc. • From 3 to 7?…

    • 1207 Words
    • 12 Pages
    Good Essays
  • Good Essays

    Bio Lab

    • 629 Words
    • 3 Pages

    A neutral substance ranks a seven on the pH scale and has equal concentrations of H+ and OH-. An example of this is pure water.…

    • 629 Words
    • 3 Pages
    Good Essays
  • Satisfactory Essays

    Gr 10 Science Lab

    • 970 Words
    • 4 Pages

    So an acid is a solution that has more free hydrogen ions (H + ) than hydroxyl ions (OH - ) and a pH less than 7. A base is a solution that has less free hydrogen ions (H + ) than hydroxyl ions (OH - ) and a pH of more than 7.…

    • 970 Words
    • 4 Pages
    Satisfactory Essays
  • Good Essays

    Biology Homework # 1

    • 1380 Words
    • 6 Pages

    13. What does the pH scale measure? What is the range on the scale? What values…

    • 1380 Words
    • 6 Pages
    Good Essays
  • Good Essays

    INT Task 3

    • 1084 Words
    • 5 Pages

    The pH scale is a method of telling how acidic or basic solutions are in reference to something neutral like water. The range for the scale is 0-14. If something has a pH value of 0, it is extremely acidic, while the opposite is if something is a 14 it is extremely basic. Pure water has a pH of 7 and is very neutral. Either extreme can be harmful to humans.…

    • 1084 Words
    • 5 Pages
    Good Essays
  • Good Essays

    Lemonade Ph Level

    • 330 Words
    • 2 Pages

    If you ever swam in a pool and your eyes began to sting and turn red, you felt the effects of an incorrect pH level. pH measures the concentration of hydronium ions and can be modeled by the function p(t) = −log10t. The variable t represents the amount of hydronium ions; p(t) gives the resulting pH level.…

    • 330 Words
    • 2 Pages
    Good Essays
  • Good Essays

    Apes- Water Study Guide

    • 1340 Words
    • 6 Pages

    pH is the measure of hydrogen ion concentration in a substance and is used to test how basic or acidic water is.…

    • 1340 Words
    • 6 Pages
    Good Essays
  • Good Essays

    Ap Research Question

    • 980 Words
    • 4 Pages

    pH is the “measure[ment] of [the] hydrogen ion concentration of a solution;” the more hydrogen ions, the lower the pH is (Academic…

    • 980 Words
    • 4 Pages
    Good Essays
  • Satisfactory Essays

    Biology

    • 2483 Words
    • 12 Pages

    pH is a measurement of hydrogen ion concentration. It measures rather the solution is acid, base, or neutral.…

    • 2483 Words
    • 12 Pages
    Satisfactory Essays
  • Satisfactory Essays

    • Define Acid, Base, and Neutral compound. How are acids and bases represented on the pH scale? How do hydrogen ion concentrations change as the numbers change?…

    • 1177 Words
    • 5 Pages
    Satisfactory Essays
  • Good Essays

    Ph Of Liquids Lab Report

    • 841 Words
    • 4 Pages

    In this lab, we were able to determine measuring the pH of liquids work. We were able to compare the liquids based on their pH level and determine which liquid was acidic or basic. Our results showed that if something came out to be seven or less, according to the pH scale, it means that an acid is a substance that donates hydrogen ions. Because of this, when an acid is dissolved in water, the balance between hydrogen ions and hydroxide ions is shifted. Now there are more hydrogen ions than hydroxide ions in the solution (2).…

    • 841 Words
    • 4 Pages
    Good Essays
  • Good Essays

    “pH” is a chemist’s term standing for “potential of hydrogen” and is used to describe the degree of acidity or alkalinity in the acid mantle of the skin or in a product. It is measured on a scale ranging from 0-14. The centre of the scale, 7, is neutrality (neither acid nor alkaline). A reading above 7 indicates that the substance being measured is alkaline; below 7, acid. As far as the skin is concerned, a normal pH (or normal Acid Mantle) is in the range of 4.2 to 5.6. It will vary from one part of the body to another and generally speaking, the pH of a man’s skin is lower (more…

    • 941 Words
    • 4 Pages
    Good Essays
  • Good Essays

    ranges from 0 to 14. A pH of 7 is neutral while a pH below 7 is acidic and above 7 is alkaline. The pH…

    • 661 Words
    • 3 Pages
    Good Essays
  • Good Essays

    Acid Rain

    • 3195 Words
    • 13 Pages

    (Note: The more acids found in rain, the lower the pH. The pH scale goes from 0 to 14. Values from 0 to 6 are considered acid, 7 is considered neutral, and values from 8 to 14 are considered alkaline. A pH of 1, for example, is far more acidic than a pH of 6.)…

    • 3195 Words
    • 13 Pages
    Good Essays