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maxonik [38]
4 years ago
15

How many grams of HCI would be required to make 250mL of 2M HCI

Chemistry
1 answer:
stiks02 [169]4 years ago
4 0

Answer:

1.44 g

Explanation:

The problem gives you the molarity and volume of the target solution, so right from the start you know that you can use that information to determine the number of moles of hydrochloric acid that it must contain.

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The cumulative impacts of social vulnerability, environmental exposure inequalities, and biological/physiological susceptibility
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Health disparities

When there are social inequalities in the places where people live, work, learn, and play, environmental factors can contribute to disease and health disparities.

These social injustices, also known as social determinants of health, include disparities in people's behaviors, cultural influences, access to healthcare, economic status, and literacy levels. When social injustices and poor environmental quality are present together, communities are said to have environmental health disparities when they experience higher rates of illness and disease than wealthier, less polluted communities.

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8 0
1 year ago
Describe a physical change and a chemical change that an iron nail could undergo.
galina1969 [7]
Physical change

iron nail have high melting point, thus, when it is heated, it will not melt very easily.

chemical change

iron nail can rust due to the exposure to the air(oxygen). iron in the nail and oxygen in the air will react together to form iron oxide(rust).
furthermore, the reaction is irreversible.
8 0
3 years ago
You add 168.90 grams of NaCl to a container and then you add 616.00 grams of water to that same container What is the weight per
erma4kov [3.2K]

Answer:

The weight percent of NaCl in the container​ is 21.5%

Explanation:

Given that,

Mass of NaCl = 168.90 gram

Mass of water = 616.00 grams

We need to calculate the weight percent of NaCl in the container​

Using formula of percentage of weight

weight\ \%\  of\ component\ of\ the\ solution =\dfrac{weight\ of\ the\ component\ in\ the\ solution}{total\ weight\ of\ the\ solution}\times100

Put the value into the formula

weight\ \%\  of\ component\ of\ the\ solution =\dfrac{168.90}{168.90+616.00}\times100

weight\ \%\  of\ component\ of\ the\ solution=21.5\%

Hence, The weight percent of NaCl in the container​ is 21.5%

5 0
3 years ago
Which of the following is most likely to happen if the cell membrane does not function properly?
Nina [5.8K]

Answer:

1 and 2 are most likely to happen to the cell if cell membrane doesn't function properly

Explanation:

It is because if cell membrane doesn't function properly then cell will not be able to exchange materials in its surrounding.

8 0
3 years ago
Read 2 more answers
A student flipped a coin 1000 times and recorded the outcome of each
dem82 [27]

Answer:

i guess none of these or 3.4% for 10%

Explanation:

I think the answer should be in the 30 to 40 number scale

3 0
3 years ago
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