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Alika [10]
3 years ago
14

Anton van Leeuwenhoek used a microscope to observe

Chemistry
1 answer:
Goshia [24]3 years ago
4 0
B. He was the first person to observe and identify living cells.
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Which of these refers to the strength of an acid
garik1379 [7]

Mg is what you measure them in

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3 years ago
Read 2 more answers
Why can't amylase digest other substances?
yuradex [85]

Explanation:

saliva contains and amylase which randomly hydrogen all the one is equal to 4 glycosidic bonds of stars except it's out most bones and those next the branches on the hand glycogen being a highly branched molecule it is evident that amylase won't be a good animal eyes to digest it due to physical structure constance

5 0
2 years ago
How many moles are in 83 particles of sodium chloride?
natita [175]

Answer:

there are 1.4201927800478769 moles in 83 particles of sodium chloride. or 1.42 for short.

Explanation:

5 0
3 years ago
suppose a 22.092 g sample of 1 1 mixture of acetylferrocene and ferrocene was sepeerated by column chromatography and the recove
maksim [4K]

Answer:

Percentage recovery of acetylferrocene = 81.6%

Explanation:

Mass of the sample mixture = 22.092 g

Ratio of mixture of acetylferrocene and ferrocene = 1 : 1

This means that the sample conatains equal amounts of acetylferrocene and ferrocene.

Therefore the mass of each sample in the mixture = 22.092 g / 2 = 11.046 g

Mass of acetylferrocene recovered = 9.017 g

Percentage recovery of acetylferrocene = (mass of recovered/ mass in sample) * 100%

Percentage recovery of acetylferrocene = (9.017 g / 11.046 g) *100%

Percentage recovery of acetylferrocene = 81.6%

3 0
4 years ago
Polyatomic ions
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I believe the answer is A.
5 0
3 years ago
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