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kumpel [21]
2 years ago
11

Context givin in picture

Chemistry
1 answer:
NeX [460]2 years ago
6 0

Answer:

200

Explanation:

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3 years ago
You have 47.0 mL of a 2.00 M concentrated or "stock" solution that must be diluted to 0.500 M. How much water should you add?
Inessa [10]

The required volume of water to make the dilute solution of 0.5 M is 188 mL.

<h3>How do we calculate the required volume?</h3>

Required volume of water to dilute the stock solution will be calculated by using the below equation as:

M₁V₁ = M₂V₂, where

  • M₁ & V₁ are the molarity and volume of stock solution.
  • M₂ & V₂ are the molarity and volume of dilute solution.

On putting values from the question to the above equation, we get

V₂ = (2)(47) / (0.5) = 188mL

Hence required volume of water is 188 mL.

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6 0
2 years ago
_____NaNo3+______PbO-_____Pb(No3)2+__Na2O
klio [65]

Answer:

2NaNO3+1PbO=1Pb(NO3)2+1Na2O

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My chem teacher always had us make a T-chart for products and reactants on both sides to help you figure out balancing equations

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