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Sergeeva-Olga [200]
3 years ago
12

Why is the air pressure greater on the mountain top

Chemistry
1 answer:
Elena L [17]3 years ago
4 0
Altitude is height above sea level. The density of air decreases with height. There are two reasons, at higher altitudes there is less air pushing down from above,and gravity is weaker farther from earths center.
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1.200g

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3 years ago
a solution of KCl in water has a concentration of 0.243 M. The solution has a volume of 0.580 L. How many grams of KCl are prese
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Answer:

10.5 g

Explanation:

Step 1: Given data

  • Molar concentration of the solution (C): 0.243 M
  • Volume of solution (V): 0.580 L

Step 2: Calculate the moles of solute (n)

Molarity is equal to the moles of solute divided by the liters of solution.

M = n/V

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n = 0.243 mol/L × 0.580 L = 0.141 mol

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8 0
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