Answer:
-NH3
Explanation:
amines are nitrogen containing compounds
Answer:
C. All of the organism’s genes are removed.
Explanation:
Mutation does not occur during DNA replication or copying process by removing all of the organism's gene. This is quite impossible.
Mutation is term registered in genetics. They are the changes that occurs to genes when being copied or sometimes as a result of imparting environmental factors like exposures to ultraviolet radiation.
- Genes can mutate when sections are mistakenly removed or added.
- Also, when entire gene is reversed, genes can mutate too.
Genes do not mutate by removing all of them. It is biologically inconsistent.
C.) increase in the molar concentration of the reactants
2.5 X 10²⁴ atoms of copper is equivalent to 266.7g of Cu.
HOW TO CALCULATE MASS:
- The mass of a substance can be calculated by multiplying the number of moles of the substance by its molar mass. That is;
- mass of substance (g) = no. of moles (mol) × molar mass (g/mol)
- However, the number of moles of copper must first be calculated by dividing the number of atoms by Avogadro's number as follows:
- no. of moles of Cu = 2.5 X 10²⁴ ÷ 6.02 × 10²³
- no. of moles = 2.5/6.02 × 10²⁴-²³
- no. of moles = 0.42 × 10¹
- no. of moles = 4.2moles of copper.
- Molar mass of copper = 63.5g/mol
- Mass of copper = 4.2mol × 63.5g/mol
Therefore, 2.5 X 10²⁴ atoms of copper is equivalent to 266.7g of Cu.
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