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2 years ago

A pH of 3 is how many times more acidic than a pH of 6?

Chemistry

2 answers:

nika2105 [10]2 years ago

8 0

Answer:

A pH=3 is 1000 times as acidic as a pH=6.

LUCKY_DIMON [66]2 years ago

4 0

Answer:2

Explanation:

3x2=6

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Answer:

C. Statistical section.

Explanation:

The statistical section is a section of financial report that consist of tables, chart of financial details of government over a period of 10 years. It is used to show the financial trends, operation of government, about the economy.

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2 years ago

When changing lanes, you should:

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The correct answer is A. Adjust your speed to match traffic in the new lane

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2 years ago

The molar mass of copper(II) chloride (CuCl2) is 134. 45 g/mol. How many formula units of CuCl2 are present in 17. 6 g of CuCl2?

Nesterboy [21]

The number of formula units in the 17.6 g copper (II) chloride sample is $7.88\;\times\;10^2^2$ option A is correct.

The formula unit is given as the molecule of the compound with constituent atoms and bonds.

<h3>Computation for the number of formula units</h3>

The number of formula units in a mole of sample is equal to the Avogadro number. The Avogadro number is a constant with the value of $6.023\;\times\;10^2^3$ .

Thus, the number of formula units in copper (II) chloride are:

$\rm 1\;mol=6.023\;\times\;10^2^3\;formula\;unit\\134.45\;g/mol=6.023\;\times\;10^2^3\;formula\;unit$

The given mass of copper chloride is 17.6 g. The number of formula units is given as:

$\rm 134.45\;g=6.023\;\times\;10^2^3\;units\\\\17.6\;g=\dfrac{6.023\;\times\;10^2^3}{134.45}\;\times\;17.6\;units\\\\ 17.6\;g=7.88\;\times\;10^2^2\;units$

The number of formula units in the 17.6 g copper (II) chloride sample is $7.88\;\times\;10^2^2$ units.

Thus, option A is correct.

Learn more about formula units, here:

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1 year ago

What type of energy is carried by electrical charges as they move in a circuit?

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2 years ago

Write a balanced equation for the complete combustion of 2,3-dimethylbutane. use the molecular formula for the alkane (c before

Nuetrik [128]

2C_6H_14 + 19O_2 → 12CO_2 + 14H_2O

Step 1. Write the condensed structural formula for 2,3-dimethylbutane.

(CH_3)_2CHCH(CH_3)_2

Step 2. Write the molecular formula.

C_6H_14

Step 3. Write the unbalanced chemical equation.

C_6H_14 + O_2 → CO_2 + H_2O

Step 4. Pick the most complicated-looking formula (C_6H_14) and balance its atoms (C and H).

1C_6H_14 + O_2 → 6CO_2 + 7H_2O

Step 5. Balance the remaining atoms (O).

1C_6H_14 + (19/2)O_2 → 6CO_2 + 7H_2O

Oops! Fractional coefficients!

Step 6. Multiply all coefficients by a number (2) to give integer coeficients..

2C_6H_14 + 19O_2 → 12CO_2 + 14H_2O

4 0

2 years ago

Read 2 more answers