Answer:
- <em>The molarity of the solution is </em><u>1.0 M</u>
Explanation:
<u>1) Data:</u>
a) n = 0.50 mol
b) V = 500 ml
c) M = ?
<u>2) Formula:</u>
- Molarity, M = number of moles of solute / volume of solution in liters
M = n / V (liter)
<u>3) Conversion of units:</u>
- 500 ml × 1.00 liter / 1,000 ml = 0.500 liter
<u>4) Solution:</u>
Substitute in the formula:
- M = n / V (liter) = 0.50 mol / 0.500 liter = 1.0 mol / liter = 1.0 M
The answer must be reported with two significant figures.
Iconic is most soluble in water
Answer:
142.0mol CO2
Explanation:
To convert from molecules to moles we must divide the amount of molecules by Avagadro’s number, 6.02 x 10^23.
8.551 x 10^25 / 6.02 x 10^23 = 142.0mol CO2
The specific heat of the unknown metal is 0.859 J/g⁰C.
<h3>Specific heat of the unknown metal</h3>
Heat lost by the unknown metal = Heat gained by water
m₁c₁Δθ₁ = m₂c₂Δθ₂
where;
- c₁ is specific heat of the unknown metal
- c₂ is specific heat of water
(15)(c₁)(99 - 26) = (75)(4.18)(26 - 23)
1095c₁ = 940.5
c₁ = 940.5/1095
c₁ = 0.859 J/g⁰C
Learn more about specific heat here: brainly.com/question/16559442
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