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AysviL [449]
3 years ago
10

Which action is necessary for a solar eclipse to occur?​

Chemistry
1 answer:
Nat2105 [25]3 years ago
6 0

Answer:

Moon has to be in-between the Earth and the Sun.

2. Moon's umbra should sweep your place.

3. Latitude and longitude of your place should be within the befitting limits.

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How many millimeters of 5 M NaCl are required to prepare 1500 mL of 0.002 M NaCl?
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The correct answer is 0.6 mL.

Explanation:

We use the mathematical expression:

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Vi = (Cf x Vf)/Ci = (0.002 M x 1500 mL)/(5 M) = 0.6 mL

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