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Anna11 [10]
3 years ago
14

2. Identify the following as human (H) or nonhuman (N) possible sources of error:

Chemistry
1 answer:
guajiro [1.7K]3 years ago
5 0

Answer:

a. H

b. H

c. N

d. N

Explanation:

a. Human error - It should be their responsibility to calibrate the balance

b. Human error - they should've known to put the right amount of sig figs.

c. Nonhuman error - they can't control the temperature

d. Nonhuman error - the balance must've been broken, therefore not a human error

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How many mole of ZnCl2 will be produced from 55.0 g of Zn, assuming HCL is available in excess
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Answer:

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Explanation:

Given data:

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Number of moles of Zn:

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

                                      Zn          :             ZnCl₂

                                         1          :               1

                                      0.84       :           0.84

So from 55 g of Zn 0.84 moles of zinc chloride will be produced.

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