Complete The Table Number, List Of Factors , Prime Or Composite , 1.18, 2.20 , 3.31 , 4.79 , 5.95., Pa Help Me Guys

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Complete the table Number List of Factors Prime or Composite 1.18 2.20 3.31 4.79 5.95. pa help me guys>.<nonsense report>.<   Step-by-step explanation: 1. 18= (1,18),(2,9),(3,6) composite 2. 20=(1,20),(2,10),(4,5) composite 3. 31=(1,31) prime 4. 79=(1,79) prime 5. 95=(1,95),(5,19) composite hope it helps!
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How Do You Get The Percentage Composition Of A Compound?, A. By Adding The Atomic Masses Of The Elements In A Compound., B. By Dividing The Molar Mass

How do you get the percentage composition of a compound?

A. by adding the atomic masses of the elements in a compound.
B. by dividing the molar mass by the atomic mass of each element.
C. by multiplying the atomic mass of each element with the molar mass of the compound
D. by dividing the total atomic mass of the element by the molar mass of the compound
and multiplying its quotient by 100%.

 

Answer:

D. by dividing the total atomic mass of the element by the molar mass of the compoundand multiplying its quotient by 100%.

Explanation:

mass percent = (mass of solute / mass of solution) x 100%

The molar mass is the sum of the masses of all the atoms in one mole of the compound. The sum of all the mass percentages should add up to 100%.

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