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kenny6666 [7]
1 year ago
10

A substance is tested and has a ph of 7.0. how would you classify it? a. a strong acid b. a strong base c. a weak acid d. neutra

l
Mathematics
1 answer:
Eddi Din [679]1 year ago
5 0

<u>A substance is tested and has a </u><u>Ph of 7.0</u><u>. It would be </u><u> a weak acid. </u>

<u>The correct option is </u><u>(c) a weak acid .</u>

<u></u>

What is the nature of substance if the pH is less than 7?

  • Acidity is defined as pH below 7. More than 7 pH is considered basic.
  • Each whole pH number below 7 is ten times more acidic than the next higher value since the pH scale is logarithmic.
  • For instance, pH 4 is 100 times (10 times 10) more acidic than pH 6, while pH 5 is ten times (10 times) more acidic than pH 4.

What is pH?

  • The pH scale determines how acidic or basic water is.
  • The range is 0 to 14, with 7 representing neutrality.
  • Acidity is indicated by pH values below 7, whereas baseness is shown by pH values above 7.
  • In reality, pH is a measurement of the proportion of free hydrogen and hydroxyl ions in water.

Learn more about pH

brainly.com/question/27945512

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sonja and jake just got married. they received $4,500 in gift money and deposited it into a savings account that pays 1.85% simp
MakcuM [25]

The total amount in savings after 3 years is $ 4749.75

<h3><u>Solution:</u></h3>

Sonia and Jake received $4,500 in gift money and deposited it into a savings account that pays 1.85% simple interest

To find: Amount after 3 years

<em><u>The total amount after 3 years is given as:</u></em>

total amount = principal amount + simple interest

<em><u>The simple interest is given as:</u></em>

\text {simple interest }=\frac{\text { principal } \times \text { number of years } \times \text {rate of interest }}{100}

Here principal amount = $ 4500

Rate of Interest = 1.85%

Number of years = 3 years

Substituting the above values in formula we get,

\text { simple interest }=\frac{4500 \times 1.85 \times 3}{100}

\text {simple interest }=45 \times 1.85 \times 3=249.75

Thus simple interest = $ 249.75

total amount = principal amount + simple interest

total amount = 4500 + 249.75

total amount = $ 4749.75

Thus the total amount after 3 years is $ 4749.75

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Raul drove 80 miles. This represents 50% of his entire trip. What is the total number of miles in Raul's trip?
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