Answer:
0.133 mL
Explanation:
Given data
- Initial concentration (C₁): 15.0 M
- Initial volume (V₁): to be determined
- Final concentration (C₂): 0.001 M
- Final volume (V₂): 2.00 L
We can find the volume of the concentrated solution using the dilution rule.
C₁ × V₁ = C₂ × V₂
V₁ = C₂ × V₂ / C₁
V₁ = 0.001 M × 2.00 L / 15.0 M
V₁ = 1.33 × 10⁻⁴ L = 0.133 mL
<span>The solute is the substance that is being dissolved while the solvent is the base that the solute is bring dissolved in. For example, in salt water, salt would be the solute that dissolves into the water, and the water is the solvent that the salt is being dissolved in.</span>
Answer:
Hey mate....
Explanation:
This is ur answer....
<em>1) All matter is made of atoms. Atoms are indivisible and indestructible. </em><em>3) Compounds are formed by a combination of two or more different kinds of atoms. 4) A chemical reaction is a rearrangement of atoms.</em>
Hope it helps you,
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616.67kJ
Explanation:
Given parameters:
Heat of fusion of water = 6kJ/mol
Mass of ice = 1850g
Unknown:
Quantity of heat required to melt ice = ?
Solution:
The quantity of heat required to melt the ice must be capable of overcoming the heat of fusion of the ice.
First convert the given mass to number of moles;
Number of moles of water = 
Molar mass of H₂O = 2 + 16 = 18g/mol
Number of moles of water = 
= 102.78mole
Now to find the quantity of heat;
Q = number of moles x heat of fusion of water = 102.78 x 6
Q = 616.67kJ
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