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Scrat [10]
2 years ago
10

What is the molar concentration of a solution prepared by dissolving 8.63 g of Ba(NO3)2 (molar mass = 261.35 g/mol) to a total v

olume of 250.0 mL?
What is the molar concentration of a solution prepared by diluting 10.0 mL of the solution in Question #1 to a total volume of 50.00 mL?
Chemistry
1 answer:
PilotLPTM [1.2K]2 years ago
7 0

Answer:

我實際上不知道答案,我只是為了點數而這樣做,哈哈,祝你好運哈哈

Explanation:

我實際上不知道我實際上不知道答案,我只是為了點數而這樣做,哈哈,祝你好運哈哈我實際上不知道答案,我只是為了點數而這樣做,哈哈,祝你好運哈哈答案,我只是為了點數而這樣做,哈哈,祝你好運哈哈

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Locations Cost of land Cost of equipment Cost of mining and reclamation Time taken to mine the area 1 $100,000 $10,000 $5,000 pe
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Location 2 will cost the least to the company to mine.

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Locations  Cost of land     Cost of       Cost of mining      Time taken to

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1                 $100,000      $10,000         $5,000 per day        30 days

2                 $35,000       $6,000          $4,500 per day        45 days

3                 $30,000       $7,500          $3,500 per day       120 days

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Locations  Cost of land     Cost of       Cost of mining                      Total

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1                 $100,000      $10,000         $150,000 ($5,000 * 30)  $260,000

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3                 $30,000       $7,500         $420,000 ($3,500 * 120)  $457,500

4                 $40,500       $8,000         $445,000 ($7,000 * 65)   $503,500

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2 years ago
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