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Igoryamba
3 years ago
14

I will brainly And 5 star rate

Chemistry
2 answers:
Alika [10]3 years ago
5 0

Answer:

<h2> OF COURSE I AGREE.</h2><h2>A CHEMICAL REACTION REARRANGES THE CONSTITUENT ATOMS OF THE REACTANTS TO CREATE DIFFERENT SUBSTANCES AS PRODUCTS </h2>
Viefleur [7K]3 years ago
3 0
I say it is most likely agree
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A mixture of nacl and sucrose (c12h22o11) of combined mass 10.2 g is dissolved in enough water to make up a 250 ml solution. the
Vilka [71]
We use the osmotic pressure to determine the concentration of the solute in the solution. Then, we multiply the volume of the solution to determine the number of moles of solute particles. We need to establish to equations since we have two unknowns, the mass of of each solute. We do as follows:

osmotic pressure = CRT 
<span>C = 7.75 / 0.08205 (296.15) = 0.3189 mol / L</span>
<span>moles of particles = C*V = 0.3189*0.250 =0.0797 mol </span>
<span>0.0797 = moles of sucrose + 2*moles of salt </span>

<span>x + 2y = 0.0797 </span>
<span>and </span>
<span>x(MMsucrose) + y(MMNaCl) = 10.2</span>
<span>342x + 58.5y = 10.2
</span>
<span>solve for x and y
</span>
<span>x = 0.0252 mol sucrose</span>
<span>y = 0.0273 mol NaCl
 </span>
<span>mass Sucrose = 0.0252(342) = 8.6184 g </span>
<span>mass NaCl = 0.0273(58.5) = 1.5971 g </span>
<span>% NaCl = (1.5971 / 10.2)*100 = 15.66%</span>
4 0
3 years ago
A substance is made up of slow-moving particles that have very little space between them. Based on this information,
grigory [225]

Answer:

It is not a gas because its particles do not have large space between them.

5 0
2 years ago
Read 2 more answers
How many protons, neutrons, and electrons does gold have? I need to know how many protons, neutrons, and electrons the element g
zhuklara [117]
Protons: 79
neutrons: 118
electrons: 79
4 0
3 years ago
A compound X has the following percentage composition 66.7% carbon, 11.1% hydrogen and 22.2% oxygen .Calculate the empirical for
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Explanation:

c. h. o

66.7%. 11.1%. 22.2%

____. ____. ____

12. 1. 16

1.558. 11.1. 1.39. (divide by the smallest)

1. 8. 1

empirical formula=ch8o

4 0
3 years ago
Any help with atomic radius, ionization &amp; electronegativity? See picture please! I dont really understand any of the three.​
enyata [817]
18)
a. Ra
d. Ag
19)
a. C
b. Br
c. Mg
20)
a. S
b. Br
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Sorry wasn’t sure about some of them in #18
Hope the notes are helpful.

8 0
2 years ago
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