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Blababa [14]
3 years ago
15

Who wants points from me?​

Chemistry
2 answers:
erik [133]3 years ago
5 0

me too ahahahahahahahaha

chubhunter [2.5K]3 years ago
3 0

Answer:

ok I want

have a good day better than yesterday

thanks a lot for your points

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What molarity is made when 36.5 g HCl is mixed into 250 mL of solution?​
Dominik [7]

Answer:

The molarity of the HCl solution is 4M.

Explanation:

Molarity=\frac{number\:of\:moles}{Volume\:of\:solution\:in\:L}\\ \\The\:volume\:of\:solution=250mL=0.25L\\\\Number\:of\:moles=\frac{weight\:of\:HCl\:in\:solution}{molecular\:weight\:of\:HCl}\\ \\Molecular\:weight\:of\:HCl=36.5g\\\\The\:weight\:of\:HCl\:in\:solution=36.5g\\\\Number\:of\:moles\:of\:HCl=\frac{36.5}{36.5}=1\:mole\\\\The\:molarity\:of\:HCl\:solution=\frac{1}{0.25}=4M

Hence, the molarity of the HCl solution = 4 M

5 0
3 years ago
Find the empirical and molecular formula for a molar mass of 60.10g/mol; 39.97% carbon 13.41% hydrogen: 46.62% nitrogen
PSYCHO15rus [73]
Assuming we have 100g, this means that

39.97g Carbon * 1 mol / 12 g = 3.33 mol Carbon
13.41g Hydrogen * 1 mol/1 g = 13.41 mol Hydrogen
46.62g Nitrogen * 1 mol / 14 g = 3.33 mol Nitrogen
Dividing everything by 3.33, we get

1 mol Carbon, 4.03 mol Hydrogen, 1 mol Nitrogen.

Empirical formula is CH4N

<span>The mass of the empirical formula is
12 + 4 + 14 = 30

Since the molar mass is double, we multiply all our subscripts

The molecular formula is C2H8N2

The answers to this question are </span><span>an empirical formula of CH4N</span> and a molecular formula of C2H8N2 .
5 0
3 years ago
HELP I NEED THIS ASAP<br>ON THE IMAGE​
Sunny_sXe [5.5K]

Answer:

hope you find it helpful

7 0
3 years ago
Read 2 more answers
Cu(NO3)2 + Zn (s) → Cu (s) + Zn(NO3)2 is an example of which type of reaction?
labwork [276]
Single replacements since cu is being replaced by zn
4 0
4 years ago
How is temperature related to the motions of molecules??? please help!!!
Nata [24]
By increasing the the heat, it increases the kinetic energy of molecules. 
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3 years ago
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