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Lilit [14]
3 years ago
13

Help someone?

Chemistry
2 answers:
KIM [24]3 years ago
4 0

Answer:

The answer is glucose (C6H12O6)

Elenna [48]3 years ago
3 0
Its food but not given the option so its glucose man
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In which of the following is number of electrons the ion contains given correctly? A. H+ has 1 electron. B. Br- has 34 electrons
Leviafan [203]
The correct answer would be D. Ca^2+ has 18 electrons. This is because 2+ means that 2 electrons have been removed, and Ca starts out with 20 electrons. As 20 - 2 = 18 electrons, D is the correct answer.

Hope this helps!
8 0
3 years ago
Read 2 more answers
The sum of the protons and neutrons in an atom equals the ____. *
Anna11 [10]

Answer:

The sum of the number of protons and neutrons in an atom is called the mass number.

Explanation:

Carbon-12 has 12 protons and 12 neutrons. 12+12=24 , so the mass number of C-12 is 24..

Hope it helps..

8 0
3 years ago
Calculate the ph of a 0.0075 m ca(oh)2 solution.
Aleksandr [31]
Ca(OH)₂ = Ca²⁺ + 2OH⁻

[OH⁻]=2c{Ca(OH)₂}

pH=14+lg[OH⁻]

pH=14+lg(2c{Ca(OH)₂})

pH=14+lg(2*0.0075)=12.18
3 0
3 years ago
Why is energy a conceptual model?
alexgriva [62]

Answer:

Conceptual energy modeling does not produce the same accurate results as energy modeling with building elements

3 0
3 years ago
A student added 500 mL of water to 200 mL of 0.20M NaCl solution. Which of the following is True?
tamaranim1 [39]

Option B is true , the same number of moles of solute in both solution is the same.

<h3>What is Molarity?  </h3>

Molarity is the ratio of no of moles as per liter solution. It is denoted by M and SI unit is also M or moles/litre.

Molarity = no . Of moles/Volume (L)  

In this question the amount of solution is increased means the volume is increased from 500-700ml it is increased , Molarity is inversly proportional of Volume

it will decrease if volume increase. Adding water do affect the concentration of the solution. The no. Of moles of solute remains because there no increament in amount of NaCl .

Hence ,option B is more correct

to learn more about Molarity click herehttps://brainly.com/question/27931587

#SPJ9

8 0
1 year ago
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