Q: When A chemist has one solution that is 80 acid and another solution that is 30 acid. How much of the first (80) solution is needed to make a 400 L solution that is 62 acid?

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50liters

50

To graph the solution set for b is not equal to 0 on a number line, you would first place a filled-in circle at 0 to indicate that 0 is not included in the solution set. Then, draw a ray extending to the left and another extending to the right, indicating that the set includes all numbers except 0. No other markings or filled-in circles are needed since all numbers, positive or negative, except 0, are part of the solution set.

it really depends on how strong the solution is. if the solution is under 2 percent, you will have to emerse it for 20 minutes or longer. also, if you decide to throw in a couple of other tools to steralize while the first tools where still within the 20 minutes range, you will have to steralize the first tools for another 20.

One solution would be 834 159 672 Here's another solution 276 951 438 And Another 672 159 834 * * * * * They are all essentially the same. Swap the first and last rows of the first example and you have the third. Swap the first and last columns of the third and you have the second. If you exclude such swaps, there is only one 3x3 magic square.

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50liters

50

To create a 50% chlorinated solution from the 60% and 40% solutions, the chemist will need to mix the two in equal amounts. Therefore, 50 L of the 60% solution and 50 L of the 40% solution are needed to make a 100 L solution that is 50% chlorinated.

To create a 400 L solution that is 62% acid, you would need 200 L of the 80% acid solution and 200 L of the 30% acid solution. This would result in a final solution with the desired concentration.

The first Boots chemist was opened in Nottingham, England in 1849 by John Boot.

Amilia airheart

It can refer to the subject of chemistry, a female chemist or chemical as an adjective (for example: una solución química - a chemical solution). *Do not forget that there is an accent on the first "I". The correct spelling is química.

My saw backside

the answer is Robert Boyle.

lowering of solubility of the first solution when an another solution is added having the same ions is called common ion effect.

Louis Pasteur(1822-1895) a French chemist first discovered what causes illness.

he wanted to become an chemist