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Nonamiya [84]
3 years ago
8

True or False: Both molecules and compounds are pure substances.

Chemistry
2 answers:
Solnce55 [7]3 years ago
4 0

Answer:

False

Explanation:

Hope this helps!

WARRIOR [948]3 years ago
3 0

Answer:

True

Explanation:

It's because both compounds and elements are considered pure substances and a molecules is considered an element.

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D. (HCIO4(AQ)

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Determine how many formula units are in 2.35 moles of lithium phosphite?
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Determine how many formula units are in 2.35 moles of lithium phosphite?

Explanation:

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3 years ago
The main reason that scientists would do a descriptive investigation is that _____. A. they don't like doing normal experiments
andre [41]

Answer:

d) They're studying something for which they cant do an experiment

Explanation:

8 0
3 years ago
Read 2 more answers
Calculate the volume of 0.250 M H2SO4 that contains 0.00255 mol H2SO4.
antoniya [11.8K]

Answer:

0.0102 L or 10.2 mL

Explanation:

From the question given above, the following data were obtained:

Molarity = 0.250 M

Mole = 0.00255 mole

Volume =?

Molarity is simply defined as the mole of solute per unit litre of the solution. Mathematically, it is expressed as:

Molarity = mole / Volume

With the above formula, we can obtain the volume as follow:

Molarity = 0.250 M

Mole = 0.00255 mole

Volume =?

Molarity = mole / Volume

0.250 = 0.00255 / volume

Cross multiply

0.250 × volume = 0.00255

Divide both side by 0.250

Volume = 0.00255 / 0.250

Volume = 0.0102 L

Covert 0.0102 L to mL.

1 L = 1000 mL

Therefore,

0.0102 L = 0.0102 L × 1000 / 1 L

0.0102 L = 10.2 mL

Thus, the volume is 0.0102 L or 10.2 mL

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3 years ago
Which of the following is not a characteristic of reliable science?
natta225 [31]

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Paid sponsorship by a company.

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