# How many moles of copper are there in 9.5 x 1023 of copper atoms?

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### Tanong

How many moles of copper are there in 9.5 x 1023 of copper atoms?

### Mga sagot sa #1 sa Tanong: How many moles of copper are there in 9.5 x 1023 of copper atoms?

**Answer:**

6.02 x 1023 atoms

The relation between molecular (formula) mass and molar mass Page 4 4 • To obtain one mole of copper atoms (6.02 x 1023 atoms), weigh out 63.55 g copper. The molar mass (M) of a substance is the mass of one mole of entities (atoms, molecules, or formula units) of the substance.

### Mga sagot sa #2 sa Tanong: How many moles of copper are there in 9.5 x 1023 of copper atoms?

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[tex]We : work : out : the : molar : quantity : and : get : 6.022×1 {10}^{22} : copper : atoms.[/tex]

[tex]From : your : Periodic : Table we : learn : that : one : mole of : copper, : 6.022× : {10}^{23} : individual : copper : atoms : have : a : mass : of : 63.55⋅g. : And : thus : we : use : the : MASS : of : a : chemical : sample : to : calculate : the : NUMBER : of : atoms : and : molecules. : This : is : the : principle : of : chemical : equivalence, : and : you : will : do : many : of : these : calculations : over : the : next : few : years.[/tex]

[tex]Given : that : we : know : that : if : there : are : 63.55⋅g : copper : there : are : NA, : Avogadro's : number : of : copper : atoms.we : take : the : quotient.[/tex]

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