Which Best Describes The PH Scale?

by | Last updated on January 24, 2024

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Answer: The correct answer is Acids measure below 7 . pH ( Potential of hydrogen) is used to measure the basicity ( alkalinity) or acidity of water soluble substances. The value on pH scales lies from 0 to 14 where 7 indicates a neutral pH that corresponding to neutral solutions like water.

How is the pH scale defined?

pH is a measure of how acidic/basic water is . The range goes from 0 to 14, with 7 being neutral. pHs of less than 7 indicate acidity, whereas a pH of greater than 7 indicates a base. pH is really a measure of the relative amount of free hydrogen and hydroxyl ions in the water.

What is least likely to dissolve completely in water?

hydrochloric acid sulfuric acid nitric acid acetic acid .

What is a pH quizlet?

pH. The measure of a solutions’ potential to attract Hydrogen ions . The measure of how acidic or basic a solution is. Acid.

Which product contains a strong base that would most likely completely dissolved in water?

Sodium hydroxide (NaOH) is a strong base because when placed in water, it dissociates completely into sodium ions (Na + ) and hydroxyl ions (OH ), all of which are now released and dissolved in water. Acids, bases and salts, dissociate (separate) into electrolytes (ions) when placed in water.

What is the pH of urine?

Normal urine pH is slightly acidic, with usual values of 6.0 to 7.5 , but the normal range is 4.5 to 8.0. A urine pH of 8.5 or 9.0 is often indicative of a urea-splitting organism, such as Proteus, Klebsiella, or Ureaplasma urealyticum.

What is pH short for?

The H in pH stands for hydrogen. But, there is some controversy as to what the p represents. The Carlsberg Foundation itself says pH means “ power of hydrogen “.

Which describes what will happen to the H+?

Which describes what will happen to the H+ when these reactants form products? H+ binds with OH- to make water . A solution has a pH of 8. ... An acid or a base dissolved in water breaks down into a positive and a ion.

What has a higher pH level acid or alkaline?

Therefore, the more hydrogen ions present, the lower the pH; conversely, the fewer hydrogen ions, the higher the pH. ... It is neither acidic nor basic, and has a pH of 7.0. Anything below 7.0 (ranging from 0.0 to 6.9) is acidic, and anything above 7.0 (from 7.1 to 14.0) is alkaline .

Which is a strong base?

A strong base is something like sodium hydroxide or potassium hydroxide which is fully ionic. ... Each mole of sodium hydroxide dissolves to give a mole of hydroxide ions in solution. Some strong bases like calcium hydroxide aren’t very soluble in water.

What does a pH scale look like?

The range goes from 0 – 14, with 7 being neutral . pHs of less than 7 indicate acidity, whereas a pH of greater than 7 indicates a base. ... As this diagram shows, pH ranges from 0 to 14, with 7 being neutral. pHs less than 7 are acidic while pHs greater than 7 are alkaline (basic).

Which pH value is the most acidic?

The scale has values ranging from zero (the most acidic) to 14 (the most basic). As you can see from the pH scale above, pure water has a pH value of 7. This value is considered neutral—neither acidic or basic. Normal, clean rain has a pH value of between 5.0 and 5.5, which is slightly acidic.

Which statement best describes the pH of pure water?

Which statement best describes the pH of pure water? It is neutral because the concentration of hydronium ions equals that of hydroxide ions.

Which substance is a base?

pH Value H + Concentration Relative to Pure Water Example 11 0.000 1 ammonia solution

Which is a strong base quizlet?

Strong bases are 100% ionized in aqueous solution to form the hydroxide ion, OH-, and the cation. -Alkali metal hydroxides (1A) and the more soluble alkaline earth hydroxides (2A) are strong bases. -Alkali metal oxides and the more soluble alkaline earth oxides are strong bases.

Which product contains a strong base most likely?

Which product contains a strong base that would most likely completely dissolve in water Brainly? Answer: A drain cleaner is a base and thus it gets dissolved in water to produce a liquid which has density higher than the water. Explanation: ^^ hope this helped !!

Sophia Kim
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Sophia Kim
Sophia Kim is a food writer with a passion for cooking and entertaining. She has worked in various restaurants and catering companies, and has written for several food publications. Sophia's expertise in cooking and entertaining will help you create memorable meals and events.