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Debora [2.8K]
3 years ago
8

Give examples to three solutions you commonly use and identify the solvent and solutes that make it each up.

Chemistry
2 answers:
8_murik_8 [283]3 years ago
8 0
Mouthwash:
solvent - water
solute - alcohols

vinegar:
solvent - water
solute - acetic acid

bleach:
solvent - water
solute - sodium hypochlorite

hope this helps!!

12345 [234]3 years ago
5 0
Water (solvent) and salt (solute)
Tea (solvent) and sugar (solute)
Water (solvent) and vinegar (solute)
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Why is it important to start at the zero mark of a ruler/meterstick + triple beam balance when making measurements?
sergeinik [125]
Because if you start at one for example you starting at a extra cm/m/mm. So when you get your measurement result it will be wrong by just one cm/m/mm. Hope this wasn't too confusing.
3 0
3 years ago
Which statement is true about a neutral solution?
Sonbull [250]

Answer:

                   

Explanation:

3 0
3 years ago
el diametro de la tierra en el ecuador es de 7926381 ml. redondee este numero a tres cifras significativas y expresel en notcion
elena55 [62]

7.93 x 10⁶mi

Explanation:

Significant figures are numbers that shows how accurate and precise scientific measurements are reported.

Here are some rules to identifying them;

  • All non-zero digits are significant
  • zeros between digits are significant
  • leading zero before a decimal are not significant
  • trailing zero after a decimal are significant
  • trailing zero before a decimal point are significant.

The number 7926381  has 7 significant numbers.

To write in the scientific notation, we simply express as N x 10ᵃ

   N is the number of significant number

   a is the exponent

N here is 7.93

a here is 6

            7.93 x 10⁶mi

learn more:

Significant figures brainly.com/question/2746374

#learnwithBrainly

7 0
3 years ago
Can somebody please help me!!!
pogonyaev

Explanation:

Student A would be introducing more error. While student B is subtracting the actual filter paper used in the experiment, Student A is using the mass of a different filter paper, which may have a slightly different mass than the filter paper that was used. To avoid having to aacount for this, or introducing such an error, follow Student B in weighing the filter paper before adding the sand.

I hope this helps.

5 0
3 years ago
A piece of Li is
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It’s a chemical change
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3 years ago
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