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olga nikolaevna [1]
3 years ago
15

115 grams of solid aluminum perchlorate are dissolved in 504 ml of water at 20°C. Calculate the concentration of aluminum perchl

orate in parts-per-million.
Chemistry
1 answer:
Alecsey [184]3 years ago
7 0

Answer:

I think the awnser is 1150 ppm im not too shure though

Explanation:

I tried to do the math  but i could not find a very reliable formula

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The maximum number of electrons in a single d subshell is:
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10 electrons

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4 years ago
Deuterium is an isotope of hydrogen (H) that has:
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A. 1 proton and 1 neutron
3 0
3 years ago
A runner runs 4339 ft in 7.45 minutes. What is the runner's average speed in miles per hou 6.62 mi/hr O 0.110 mi/hr 6.618 mi/h e
slavikrds [6]

<u>Answer:</u> The average speed of the runner is 6.618 miles/hr

<u>Explanation:</u>

Average speed is defined as the ratio of total distance traveled to the total time taken.

To calculate the average speed of the runner, we use the equation:

\text{Average speed}=\frac{\text{Total distance traveled}}{\text{Total time taken}}

We are given:

Distance traveled = 4339 ft

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Putting values in above equation, we get:

\text{Average speed of runner}=\frac{4330ft}{7.45min}=582.42ft/min

To convert the speed into miles per hour, we use the conversion factors:

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Converting the speed into miles per hour, we get:

\Rightarrow \frac{528.42ft}{min}\times (\frac{1miles}{5280ft})\times (\frac{60min}{1hr})\\\\\Rightarrow 6.618mil/hr

Hence, the average speed of the runner is 6.618 miles/hr

6 0
4 years ago
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