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Serga [27]
3 years ago
5

A. glycerol

Chemistry
1 answer:
Natasha2012 [34]3 years ago
4 0
Bzjnu8:i9.8&9olzlns soccer
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Calculate the weight of 3.491 into 10 to the power 19 molecules of cl2​
Rom4ik [11]

Answer:

The mass of 3.491 × 10¹⁹ molecules of Cl₂  of Cl₂ is 4.11 × 10⁻³ grams

Explanation:

The number of particles in one mole of a substance id=s given by the Avogadro's number which is approximately 6.023 × 10²³ particles

Therefore, we have;

One mole of Cl₂ gas, which is a compound, contains 6.023 × 10²³ individual molecules of Cl₂

3.491 × 10¹⁹ molecules of Cl₂ is equivalent to (3.491 × 10¹⁹)/(6.023 × 10²³) = 5.796 × 10⁻⁵ moles of Cl₂

The mass of one mole of Cl₂ = 70.906 g/mol

The mass of 5.796 × 10⁻⁵ moles of Cl₂ = 70.906 × 5.796 × 10^(-5) = 4.11 × 10⁻³ grams

Therefore;

The mass of 3.491 × 10¹⁹ molecules of Cl₂  of Cl₂ = 4.11 × 10⁻³ grams.

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3 years ago
What are sister chromatids?
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The female part of the chromosomes, usually colored pink in diagrams
3 0
3 years ago
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When is it necessary for a scientists to do research?
MAXImum [283]
I would say A and D. A is right for sure, as for D, I'm not so sure. Hope this helps!
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The molecular formula of a compound is C7H14O7. what is the empirical formula​
nata0808 [166]
Empirical formula is the simplest way the molecular formula can be wrote so here 7 goes into all of these so it would be CH2O
6 0
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Which of the following choices is NOT a characteristic of unicellular:
marysya [2.9K]

Answer:

B. Consists of many cells

Explanation:

Unicellular organisms consist of one singular cell. While multicellular organisms consist of many cells

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