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eduard
3 years ago
15

Can anyone answer 10.4? (45 points if correct)

Chemistry
1 answer:
otez555 [7]3 years ago
3 0
Alpha is the -OH group at the anomeric position is down. beta is up

a. alpha
b. beta
c. beta
d. alpha

to draw the other anomer, just flip the OH at the anomeric position

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What is the mass number of an ion with 107 electrons, 159 neutrons, and a +1 charge? express your answer as an integer?
Darya [45]
<span>The mass number of an ion is calculated by adding the neutrons and electrons together. In this case 159+107=266. However, since this ion has a +1 charge, you must add 1 to the electrons. This would give a total mass of 267.</span>
6 0
3 years ago
Calculate the mass of ZnCl2 produced by the reaction of 49.8 grams of H2. Zn + 2HCl ZnCl2 + H2
tester [92]

Answer:

3300.85 g

Explanation:

Given data:

Mass of ZnCl₂ produced = ?

Mass of H₂ produced = 49.8 g

Solution:

Chemical equation:

Zn + 2HCl     →    ZnCl₂ + H₂

Number of moles of  H₂:

Number of moles = mass/molar mass

Number  of moles = 49.8 g/ 2.056 g/mol

Number  of moles = 24.22 mol

Now we will compare the moles of H₂ with ZnCl₂ form balance chemical equation.

                         H₂              :              ZnCl₂

                          1                :                   1

                        24.22         :              24.22

Mass of ZnCl₂:

Mass = number of moles × molar mass

Mass =  24.22 × 136.286 g/mol

Mass = 3300.85 g

6 0
2 years ago
How did I get the sand out the mixture ?
svetoff [14.1K]

Answer:

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3 years ago
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Hi there!

I believe the answer to this is B. Elementary and High school students.

Hope this helps! ☺♥
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