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Kitty [74]
3 years ago
7

Scientists test a hypothesis by?

Chemistry
1 answer:
Novay_Z [31]3 years ago
6 0
They test the hypothesis by experimentation.
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What is the molarity when 0.181 moles of MgNO3)2 are dissolved in enough water to make 0.750 L solution?
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Answer:

Molarity = 0.24 M

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Given data:

Number of moles of Mg(NO₃)₂ = 0.181 mol

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Molarity is used to describe the concentration of solution. It tells how many moles are dissolve in per litter of solution.

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Molarity = number of moles of solute / L of solution

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