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tangare [24]
2 years ago
12

3 ways plant and animal cells are similar PLS I need help

Chemistry
1 answer:
NemiM [27]2 years ago
5 0
A cell membrane of proteins and lipids, Cytoskeleton, and Nucleus
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Number of Mg(OH)2 formula units in 7.40 moles of Mg(OH)2.
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The answer is 4.45 × 10²⁴ units.

To calculate this, we will use Avogadro's number which is the number of units (atoms, molecules) in 1 mole of substance:
6.02 × 10²³ units per 1 mole

So, we need a proportion:
If 6.02 × 10²³ units are in 1 mole, how many units will be in 7.40 moles:
6.02 × 10²³ units : 1 mole = x : 7.40 moles

After crossing the products:
1 mole * x =  7.40 moles * 6.02 × 10²³ units
x = 7.40 * 6.02 × 10²³ units
x = 44.5 × 10²³ units = 4.45× 10²⁴ unit
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2 years ago
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Protons cannot be lost without the atoms becoming an entirely different element. Elements can infact have different numbers of neutrons within the same element, but neutrons are not related to the electrical charge. The answer is c. electrons.
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