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shutvik [7]
2 years ago
9

How many molecules of CO2 would 700g be?

Chemistry
1 answer:
podryga [215]2 years ago
6 0

Answer:

13

Explanation:

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A 75.0 mL sample of sulfuric acid (H2SO4) is neutralized by 25.0 mL of 0.150 M NaOH. Calculate the molarity of the sulfuric acid
Juli2301 [7.4K]

Answer:

THE MOLARITY OF SULFURIC ACID SOLUTION IS 0.05 L

Explanation:

Ca Va = Cb Vb

Ca = ?

Va = 75.0mL = 0.075 L

Cb = 0.150 M

Vb = 25.0 mL = 0.025 L

Ca = CbVb/ Va

Ca = 0.150 * 0.025 / 0.075

Ca = 0.00375 / 0.075

Ca = 0.05 M

The molarity is 0.05 L

6 0
2 years ago
The volume of a gas is 5.0 L, when the temperature is 5.0 degrees Celsius. If the temperature is increased to 10.0 degrees Celsi
Rom4ik [11]

Answer:5.1L

Explanation:

6 0
2 years ago
A topographical map of a section of Charleston, SC is shown. What feature is located at the dot marked with an X? A) the center
Effectus [21]
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6 0
2 years ago
In a physical change of matter,​
mel-nik [20]

Answer: C. no new substances are formed<span>
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5 0
2 years ago
Read 2 more answers
Find the percentage composition of a compound that contains 1.94 g of carbon, 0.48 g of hydrogen, and 2.58 g of sulfur.
Svetradugi [14.3K]

Answer : The percentage composition of carbon, hydrogen and sulfur in a compound is, 38.8 %, 9.6 % and 51.6 % respectively.

Explanation :

To calculate the percentage composition of element in sample, we use the equation:

\%\text{ composition of element}=\frac{\text{Mass of element}}{\text{Mass of sample}}\times 100

Given:

Mass of carbon = 1.94 g

Mass of hydrogen = 0.48 g

Mass of sulfur = 2.58 g

First we have to calculate the mass of sample.

Mass of sample = Mass of carbon + Mass of hydrogen + Mass of sulfur

Mass of sample = 1.94 + 0.48 + 2.58 = 5.0 g

Now we have to calculate the percentage composition of a compound.

\%\text{ composition of carbon}=\frac{1.94g}{5.0g}\times 100=38.8\%

\%\text{ composition of hydrogen}=\frac{0.48g}{5.0g}\times 100=9.6\%

\%\text{ composition of sulfur}=\frac{2.58g}{5.0g}\times 100=51.6\%

Hence, the percentage composition of carbon, hydrogen and sulfur in a compound is, 38.8 %, 9.6 % and 51.6 % respectively.

3 0
3 years ago
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