If a tin cup had a mass of 10 grams, how many moles of tin would you have?How many atoms of tin would?

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If a tin cup had a mass of 10 grams, how many moles of tin would you have?How many atoms of tin would?

2007-02-07 12:42:25 · 3 answers · asked by person 2 in Science & Mathematics ➔ Chemistry

3 answers

You'd have .08 moles of tin, and you'd have 5.07x10^22 atoms.

2007-02-07 12:47:37 · answer #1 · answered by Anonymous · 0⤊ 0⤋

Tin has an atomic mass of 118.69 g/mole,
so
10 grams of tin has 10/118.69 moles, or about .08 moles

Since there are 6.023 X 10^23 atoms per mole, we have 5.07*10^22 atoms (10/118.69*6.023*10^23)

2007-02-07 12:48:19 · answer #2 · answered by firefly 6 · 0⤊ 0⤋

a)10g divided by molar mass of tin

b)6.23E23 * pervious answer

2007-02-07 12:48:14 · answer #3 · answered by Jian C 3 · 0⤊ 0⤋