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borishaifa [10]
3 years ago
12

A 7.36 g sample of copper is contaminated with a additional 0.51 g sample of zinc. suppose an atomic mass measurement was perfor

med on this sample. What would be the measured atomic mass?
64.46
63.67
63.94
65.38
Chemistry
1 answer:
liubo4ka [24]3 years ago
5 0
<span>63.67 
Hope this helps.</span>
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Given the balanced equation:
Aliun [14]

Answer:

0.4

Explanation:

Given data:

Number of moles of SrCl₂ consumed = ?

Mass of ZnCl₂ produced = 54 g

Solution:

Chemical equation:

ZnSO₄ + SrCl₂    →    SrSO₄ +  ZnCl₂

Number of moles of ZnCl₂:

Number of moles = mass/ molar mass

Number of moles = 54 g/136.3 g/mol

Number of moles = 0.4 mol

Now we will compare the moles of  ZnCl₂ with SrCl₂  from balance chemical equation.

                          ZnCl₂              :             SrCl₂

                              1                  :                1

                           0.4                 :              0.4

Thus when 54 g of  ZnCl₂ produced 0.4 moles of SrCl₂ react.

6 0
4 years ago
Show in chemistry the fermentation of carbohydrate to form alcohol<br>​
bulgar [2K]

hope it helps to everyone

7 0
3 years ago
Drag each tile to the correct location. <br><br> Identify the verb used in each sentence.
miskamm [114]

Answer:

1) subjunctive

2) conditional (most likely)

3) conditional

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6) conditional

Explanation:

subjunctive mood expresses a wish

conditional mood = if (event), (result)

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3 years ago
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sammy [17]

Answer:All of Earth's ocean levels rise. The moon's orbit is closer to Earth

Explanation:

6 0
4 years ago
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Which of the following mixture types is characterized by the settling of particles?
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The answer is B. Suspension. Suspension mixtures are composed of two or more materials mixed together wherein the solute particles are usually larger than those found in a solution or colloid. In cases of solid-fluid suspension mixtures, the solid solute particles tend to settle at the bottom of the mixture after some time.
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