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vladimir2022 [97]
3 years ago
9

How do I prepare for my general chemistry labs? How do I get good grades on labs?

Chemistry
2 answers:
Masja [62]3 years ago
8 0
Well you should study how different chemicals work, and make flashcards to carry around or make notes during class to study for later
Reika [66]3 years ago
6 0
You must make sure that you pay attention in class, follow directions, do all homework and assignments to the best of your abilities, listen to the teacher, ask for help when it is needed, now what is going on in that class, do not daze of and focus, understand the subject, and try your hardest.  You can get good grades by following all directions, completing it, putting lots of effort and detail into it, asking for help,and doing it the best that you possibly can.  Good Luck I'm sure you can do it!!
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3 years ago
If the solubility of sugar at 25ºC is 211 g/100 g H2O, what mass of sugar can be dissolved in 300 g of H2O?
ladessa [460]

Answer:

633 grams of sugar can be dissolved in 300 g of H₂O

Explanation:

Solubility is the measure of the ability of a certain substance to dissolve in another and form a homogeneous system.  Solubility is then the maximum amount of a solute that a solvent can receive and is expressed by concentration units.

The rule of three or is a way of solving problems of proportionality between three known values and an unknown value, establishing a relationship of proportionality between all of them. That is, what is intended with it is to find the fourth term of a proportion knowing the other three. Remember that proportionality is a constant relationship or ratio between different magnitudes.

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sugar=\frac{300 grams of H_{2}O *211 grams of sugar}{100 grams of H_{2}O}

sugar= 633 grams

<u><em>633 grams of sugar can be dissolved in 300 g of H₂O</em></u>

7 0
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