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horrorfan [7]
3 years ago
13

How do you determine how much alum can be dissolved in 10 ml of hot deionized water to make a saturated solution??

Chemistry
1 answer:
xeze [42]3 years ago
3 0
You need to monitor the solution to see when the crystals start gathering at the bottom of the solution. You can slowly add alum until it stops dissolving. The point just before it starts its sedimentation at the bottom is the point when the solution is saturated.
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Advanced flow measuring devices ? <br> I need info about this topic please
Elenna [48]

Answer:

they are:-

venturi meter.

orfice plate.

Dall tube .

pitot tube.

Averaging pitot tube .

cone meter.

linear resis meter.

5 0
3 years ago
There are 12 inches (in). in 1 foot (ft). which expression can be used to find the number of inches in 2.5 feet?
Nady [450]
Given:
12 inches in 1 foot
number of inches in 2.5 feet

2.5 feet * 12 inches/1foot = 2.5 * 12 inches = 30 inches

1 foot + 1 foot + 0.5 foot = 2.5 feet
12 inches + 12 inches + 6 inches = 30 inches

12 inches : 1 foot = x : 2.5 feet
12 inches * 2.5 feet = x*1foot
30 inches * feet = x * foot
30 inches = x
4 0
3 years ago
Read 2 more answers
Currently this lab is run qualitatively asking only for whether a solution is acidic, neutral, or basic. If quantitative informa
crimeas [40]

Answer:

The only PH range which is not covered by any of the given components of the universal indicator is 7.6-8.0

Hence the PH range 7.6-8 can't be described using universal indicator.

8 0
3 years ago
How many molecules of co2 are there in 4.56 moles of co2?
Marianna [84]

Answer:

<h3>The answer is 2.75 × 10²⁴ molecules</h3>

Explanation:

The number of molecules of CO2 can be found by using the formula

<h3>N = n × L</h3>

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

N = 4.56 × 6.02 × 10²³

We have the final answer as

<h3>2.75 × 10²⁴ molecules</h3>

Hope this helps you

4 0
3 years ago
If the absolute temperature of a gas is 600 K, the temperature in degrees Celsius is
Olenka [21]
K = C + 273
600 = C + 273
C = 600 - 273
C = 327C
6 0
3 years ago
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