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QveST [7]
3 years ago
11

10. You are given 480 grams of the substance. It's molecular weight is 1440 g. How many

Chemistry
1 answer:
Mademuasel [1]3 years ago
6 0

Answer:

3

Explanation:

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A student dropped a piece of nickel metal into a solution of HCl(aq). He observed the formation of gas bubbles and collected the
omeli [17]

Answer:

a. The student performed the splint test incorrectly. He should of observed a popping sound when the splint was placed in the test tube.

Explanation:

It is given that a student performed an experiment where he dropped a nickel metal in to HCl solution. He observed the reaction and performed a splint test in the test tube that is filled with a gas which is formed while Nickle is dropped into the solution of HCl.

But the experiment that the student performed was incorrect. He must have observed the popping sound when the splint was placed in the test tube.

When the splint was added to the gas splint flared up. The hydrogen gas pops out when exposed to the flame.

$Ni + HCl(aq) = NiCl + H_2$

Thus the correct option is (a).

5 0
3 years ago
Write a paragraph to explain the answer to the following prompt:
Anton [14]

Answer:

hinndndnnddnndndndnd do djfj

Explanation:

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