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AlladinOne [14]
3 years ago
6

What do all prokaryotes and eukaryotes have in common? A. They are unicellular organisms. B. They are multicellular organisms. C

. The cells that make them up each contain genetic information. D. The cells that make them up each contain a membrane-enclosed nucleus.
Chemistry
1 answer:
Sauron [17]3 years ago
5 0
They are multicellular
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Which best compares a molecule that has a trigonal planar shape with one that has a trigonal pyramidal shape?
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A 35.40 gram hydrate of sodium carbonate, Na2CO3•nH2O, is heated to a constant mass. Its final weight is 30.2 g. What is formula
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Na₂CO₃•H₂O

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After it is heated, the remaining mass is the mass of sodium carbonate.

30.2 g Na₂CO₃

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Convert masses to moles:

30.2 g Na₂CO₃ × (1 mol Na₂CO₃ / 106 g Na₂CO₃) = 0.285 mol Na₂CO₃

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Normalize by dividing by the smallest:

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The ratio is approximately 1:1.  So the formula of the hydrate is Na₂CO₃•H₂O.

3 0
3 years ago
Read 2 more answers
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