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zaharov [31]
3 years ago
6

Mixture formation is a ________change.​

Chemistry
1 answer:
xxMikexx [17]3 years ago
6 0
Chemical should be your answer.
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How many moles of naf are in 34.2 grams of a 45.5% by mass naf solution?
Verdich [7]
 <span>% by mass = mass solute x 100 / mass solution 

45.5 % = mass solute NaF x 100 / 34.2 

mass solute NaF = 34.2 x 45.5 /100=15.6 g 

molae solute NaF = 15.6 g ( 1 mol / 41.9887 g)= 0.372</span>
8 0
3 years ago
Some items, such as rubber, float on the water, while some items, such as gold, sink in
elena-14-01-66 [18.8K]

Answer:

If an item is less dense, it floats on the water.

Explanation:

We know this since the more dense something it usually is heavier than if it was less dense. Which ways it down resulting to it sinking.

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3 years ago
How many atoms of hydrogen are in 100 g of hydrogen peroxide (h2o2)?
Maurinko [17]
Hello friends..

find the MW of HP 
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7 0
3 years ago
Please help.
denpristay [2]

Answer:

The bowling ball has more kinetic energy than the tennis ball

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Deposition can occur where wind or running water slows down? true or false
Shalnov [3]

Answer:

The answer is True.

Explanation:

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