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Afina-wow [57]
3 years ago
10

Whats the Number of molecules in 1.500 mole of H2O

Chemistry
2 answers:
Rzqust [24]3 years ago
6 0
You take 6.02x10^23 and multiply it by 1.500
deff fn [24]3 years ago
3 0

Answer:

6.02 × 10 23

Explanation:

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Find the energy of a photon of light if the wavelength of the light wave is 6.88 x 10–7m
stepan [7]
Use the formula E=hv, h=plancks constant and v=frequency
use the formula c=v*lambda to find v
the answer will be 2.88*10^-23J

6 0
3 years ago
How many ml of concentrated hydrochloric acid would be required to make 1 L of a 0.2 M solution? Assume that concentrated hydroc
fgiga [73]

<u>Answer:</u> The volume of concentrated hydrochloric acid required is 16.53 mL

<u>Explanation:</u>

To calculate the volume of concentrated solution, we use the equation:

M_1V_1=M_2V_2

where,

M_1\text{ and }V_1 are the molarity and volume of the concentrated solution

M_2\text{ and }V_2 are the molarity and volume of diluted solution

We are given:

Conversion factor:  1 L = 1000 mL

M_1=12.1M\\V_1=?mL\\M_2=0.2M\\V_2=1L=1000mL

Putting values in above equation, we get:

12.1\times V_1=0.2\times 1000\\\\V_1=16.53mL

Hence, the volume of concentrated hydrochloric acid required is 16.53 mL

3 0
3 years ago
Which of the following elements does not form a diatomic molecule?
gladu [14]

Answer:

C

Explanation:

Neon is a noble gas, which is monoatomic.

6 0
3 years ago
Temperature zone occurs between tropical and polar zones
scoundrel [369]
Yes, that's correct. It's the tepid latitude.
6 0
3 years ago
25 °C = ________ K <br><br> which one <br> 298<br> 0<br> 33 <br> 197
Paraphin [41]

Answer:

298

hope this helps

have a good day :)

Explanation:

5 0
3 years ago
Read 2 more answers
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