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Alex17521 [72]
3 years ago
14

I have 7 more questions left :’)

Chemistry
2 answers:
dedylja [7]3 years ago
8 0
A, B for the first two
son4ous [18]3 years ago
4 0
The 3rd question ranks: XZYW
You might be interested in
Question 8 of 10
Harlamova29_29 [7]

Answer:

D

Explanation:

Because it is answered with a letter

7 0
3 years ago
If khp sample #1 requires 27.30 ml of naoh solution to reach an endpoint, what volume should be required for samples #2 and #3
Setler79 [48]
<span>Sample #2 and sample #3 must have the equal volume as sample #1 ,if the masses of the both samples are equal to mass of sample #1.
Otherwise, the volume would vary if the masses are not equal.</span>
3 0
3 years ago
If 5.1 l of antifreeze solution (specific gravity = 0.80) is added to 3.8 l of water to make a 8.9 l mixture, what is the specif
Maslowich
Density of the mixture = mass of the mixture / volume of the mixture

Mass of the mixture = mass of antifreeze solution + mass of water.

Mass of antifreeze solution = density of the antifreeze solution * volume

Mass of antifreeze solution = 0.8g/ml * 5.1 l * 1000 ml / l = 4,080 g

Mass of water = density of water * volume of water = 1.0 g/ml * 3.8 l * 1000 ml / l = 3,800 g

Mass of mixture = 4080 g + 3800 g= 7880 g

Volume of mixture = volume of antifreeze solution + volume of water

Volume of mixture = 5100 ml + 3800 ml = 8900 ml

Density of mixture = 7800 g / 8900 ml = 0.876 g/ml

Specific gravity of the mixture = density of the mixture / density of water = 0.876

Answer: 0.876
3 0
3 years ago
Help me with both questions
Natasha2012 [34]
Sorry bro but idk maybe its :1 L=<span>103</span><span>mL</span>
3 0
3 years ago
If an atom or ion has an atomic number of 3, 2 electrons, and the electronic configuration is 2, what is the mass number? ​
rjkz [21]
It’s mass number would be 5 as it’s the protons and the neutrons added together
7 0
3 years ago
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