State is characterized by the lowest density of the three states
1 answer:
Answer:
Gas
Explanation:
Matter is anything that has weight and occupies space.
Therefore, we can conclude that every matter has distinct density that typifies them because density is the mass per unit volume of any substance.
Density =
From the density equation, we see that the higher the mass, the higher the density. The higher the volume the lower the density.
- The state of matter with the lowest mass and highest volume will have the lowest density.
- Gases are known to have the least mass because they have very negligible weight.
- The occupy very large spaces according to where they are confined.
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<u>Answer:</u> The moles of hydroxide ions present in the sample is 0.0008 moles
<u>Explanation:</u>
To calculate the concentration of acid, we use the equation given by neutralization reaction:
where,
are the n-factor, molarity and volume of acid which is HCl.
are the n-factor, molarity and volume of base which is
We are given:
Putting values in above equation, we get:
To calculate the moles of hydroxide ions, we use the equation used to calculate the molarity of solution:
Molarity of solution = 0.011 M
Volume of solution = 36.0 mL
Putting values in above equation, we get:
1 mole of calcium hydroxide produces 1 mole of calcium ions and 2 moles of hydroxide ions.
Moles of hydroxide ions = (0.0004 × 2) = 0.0008 moles
Hence, the moles of hydroxide ions present in the sample is 0.0008 moles