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Anestetic [448]
2 years ago
6

If you are on a field trip to the ocean and you recovered 250 grams of ocean salts from a sample of ocean water, based on known

percentages of dissolved solids in ocean water, what would be the mass of chlorine in the sample?
0.0022 g

137.5 g

0.22 g

4.55 g
Geography
1 answer:
saw5 [17]2 years ago
5 0
The answer is A. because 26.25 g NaCl ( 1 mol / 59.44 g ) ( 1 mol Na / 1 mol NaCl ) ( 22.99 g / 1 mol ) = 10.15 g Na
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What is the (approximate) fractional difference in time between the sidereal day and the solar day? (Is it one tenth? One hundre
antiseptic1488 [7]

Answer:

0.9972

Explanation:

The sidereal day has a duration of 23 hours 56 minutes and  4 seconds approximately. The solar day has a duration of 24 hours. We have to convert the previous times to seconds:

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24h*\frac{60min}{1h}*\frac{60s}{1min}=86400\\

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