20%
The codeine percentage strength of the solution is 20%
- The term "percent strength" describes the proportion of a material that has dissolved in a given volume of liquid.
- Knowing how parts relate to wholes is the secret of % strength: A percent is equal to x parts out of 100 overall.
<h3>Meaning of percentage strength</h3>
- The amount of a liquid is often measured, and the % strength tells you how many parts by volume of the active ingredient are present.
- 100 parts by volume are included in the total volume of the solution or liquid preparation.
<h3>How do you determine a solution's strength?</h3>
Mass of solute times strength of solution(g) Amount of the solution(L)
- The amount of solute dissolved in grams per liter of the solution is used to determine the solution's strength.
- It stands for the solution's potency or concentration.
- It uses grams per liter to express.
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Answer:
45.2%
Explanation:
To calculate the percent of an element in a compound we divide the molar mass of the element by the compound and multiply that by 100
First lets find the molar mass of Fluoride
Looking at the periodic table Fluoride has a molecular mass of 18.998 g
Now we need to find the molecular mass of NaF
Looking at a periodic table, Sodium (Na) has a molecular mass of 22.990g and Fluoride has a molecular mass of 18.998 so NaF has a molecular mass of 22.990(1) + 18.998(1) = 41.988g
Now we divide the mass of fluoride by the mass of sodium fluoride and multiply that by 100 to find the percentage of fluoride that is present in NaF
Mass of Fluoride = 18.998g
Mass of Sodium Fluoride = 41.988g
Percentage of fluoride present in NaF = (18.998g / 41.988g) * 100 = 45.2%
he mass defect of the helium nucleus ⁴He₂ is 0.030377 u
Further explanation
Mass defect means the difference between the mass of particles forming an atom with an atomic mass.
Δm = mass defect ( u )
mp = mass of proton ( u )
me = mass of electron ( u )
mn = mass of neutron ( u )
M = atomic mass ( u )
A = mass number
Z = atomic number
Let us now tackle the problem !
Given :
Unknown :
Δm = ?
Solution :
Learn more
Rutherford’s major achievements : brainly.com/question/1552732
Unit of radius of an atom : brainly.com/question/1968819
Fusion : brainly.com/question/11395223
Answer details
Grade: College
Subject: Physics
Chapter: Nuclear Physics
Keywords: Mass , Defect , Nucleon , Number , Atomic , Proton , Electron , Neutron
V= New mL displaced water - original old water that was already in the grad. cylinder basically 8.0 mL
6.9 Sleps 1. (8)(13) = 15 2. 104/15 = 15/15 3. 6.93333333 4. 6.9 Sleps
