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EastWind [94]
3 years ago
7

TRUE or FALSE: The charge of an atom (ion) is determined by the ratio of electrons to protons.

Chemistry
2 answers:
Damm [24]3 years ago
8 0
True The positive electric charge of a proton is equal in magnitude to the negative charge of an electron; therefore, the net electric charge of an ion is equal to its number of protons minus its number of electrons. Ions are highly reactive species.
zubka84 [21]3 years ago
5 0
The answer would be false
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The mass of solute per 100 mL of solution is abbreviated as (m/v). Mass is not technically the same thing as weight, but the abb
Talja [164]

The mass of solute per 100 mL of solution is abbreviated as (m/v). Mass is not technically the same thing as weight, but the abbreviation (w/v) is also common. 262 grams of sucrose are needed to make 655 mL of a 40.0% (w/v) sucrose solution

<h3>Define Solute</h3>

A solute is a material that dissolves in a solution. The amount of solvent present in fluid solutions is greater than the amount of solute. The two most common examples of solutions in daily life are salt and water. Salt is the solute because it dissolves in water.

<h3>forms of ratios for product concentration or yield:-</h3>
  • w/v:- Weight by volume or weight per volume are the terms used. Any solid compound's concentration in a liquid can be calculated using it. It is measurable in gm/ml.
  • Weight by weight ratio is referred to as w/w.It is employed to determine the final yield of the compound obtained from the starting compound. as in —mg/—gm.

       It provides the real yield of the substance or item.

  • Volume/volume. It is used to specify a liquid's composition or percent in a liquid compound.

using w/v we can calculate the weight of sucrose:-

40.0% means 40 g sucrose/ 100 g solution

40.0g sucrose x (655/100)=grams of sucrose

262  grams of sucrose are needed to make 655 mL of a 40.0% (w/v) sucrose solution.

Learn more about Solute here:-

brainly.com/question/14397121

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6 0
1 year ago
Make the following conversion. 0.075 m = _____ cm 7.5 75 0.0075 0.00075
oee [108]
7.5 is the answer. You have to move the decimal 2 places to the right.
5 0
3 years ago
A gas has a volume of 56.3L when its temperature is 280 K. What will volume be at 220K?
Alex Ar [27]

Answer:

44.23 L

use pascal's formula

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What enzyme catalyzes the conversion of carbon dioxide and water to carbonic acid, and where is this enzyme located
adoni [48]

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Carbonic anhydrase and they are located in renal tubules.

Explanation:

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What occurs during interphase? (Select all that apply.)
murzikaleks [220]

Answer:

during interphase the cells start to grow

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2 years ago
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