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Tanzania [10]
3 years ago
15

What is the density of a 805 g sample of pure silicon with a volume of 2.3 cm3?

Chemistry
1 answer:
MAVERICK [17]3 years ago
3 0
The density of it would be 57. Do the math and apply the formula to it and you would get this answer.
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17.42 mL of 0.1M NaOH was needed to reach the endpoint in the titration. How many moles of NaOH are in 17.42 mL of 0.1M NaOH
Varvara68 [4.7K]

Answer:

0.001742moles

Explanation:

1000ml of NaOH contain 0.1moles

17.42ml of NaOH contain (0.1*17.42)/1000 moles

= 0.001742moles

8 0
2 years ago
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3 years ago
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Inga [223]

Answer:

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2 years ago
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bixtya [17]

Answer:

False

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During boiling particles do no clump together, they tend to move apart more rapidly.

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Answer:

A is the answer. Hope this helped.

8 0
3 years ago
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