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Arte-miy333 [17]
2 years ago
12

Ce

SAT
1 answer:
e-lub [12.9K]2 years ago
6 0

Answer:

Explanation:

cv= standard deviation/ mean

40/3

13.33

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Twice the sum of 10 and a number is 28. Find the number.
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So to do this you have to look at the problem backwards, so 28 divided by 2, 14 - x = 10 If 10 + x = 14 the x = 4
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A photographic stop bath contains 160ml of pure acetic acid.
NeTakaya

Answer:

Solving for the Percent by Volume

The v/v concentration of acetic acid in the stop bath is 24.6%.

Explanation:

To answer the question, we need to identify certain information stated in the question. Let us write down what’s given:

Volume of solute = 160 mL

Volume of solution = 650 mL

Next, we need to determine what is required, in this case, the percent by volume. Now, let us look at the formula:

v/v concentration = (solute volume / volume of the solution) * 100

Solution:

Percent by Volume = (160 / 650) * 100

Percent by Volume = 0.2461538461538462 * 100

Percent by Volume = 24.61538461538462

Rounded off = 24.6%

Therefore, the final answer is 24.6%

Explanation:

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he should measure it with a thermometer that sticks into the dish.

Explanation:

Hope this helps you :)

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