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ivanzaharov [21]
3 years ago
6

85% of what number is 17? EXPLAIN

Chemistry
1 answer:
vitfil [10]3 years ago
5 0

Answer:

85% of 20 is 17

Explanation:

You can multiply 85% and 20 or subtract 85% from 20.

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How many number of oxygen molecules are required to produce 0.22 g of CO2 according to the reaction?
zmey [24]
The number of moles for co2=mass(g)/molar mass
n=.22/44=.005 mole of CO2
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So we need .005mole of O2
Multiple the number of moles with avogadro’s number to know the number of O2molecules
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3 years ago
Methane is the chemical that is most abundant in natural gas.<br> a. True<br> b. False
aliya0001 [1]
<span>a. True. Methane is the chemical that is most abundant in natural gas. </span>

3 0
3 years ago
what is different between an ionic bond and and a covalent bond? a. an ionic bond shares electrons, and a covalent bond is an at
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3 years ago
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Talja [164]

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Explanation:

4 0
2 years ago
Read 2 more answers
The compound methyl butanoate smells like apples. Its percent composition is 58.8% C, 9.9% H, and 31.4% O. What’s the empirical
blsea [12.9K]
To find the empirical formula you would first need to find the moles of each element:

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9.9g/ 1.0g = 9.9 mol H

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Then you divide by the smallest number of moles of each:

4.9/1.96 = 2.5

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Since there is 2.5, you find the least number that makes each moles a whole number which is 2.

So the empirical formula is C5H12O2.
6 0
3 years ago
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