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happykiddo
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How do I figure out the number of atoms in element, when I know the molar mass is 3.30 ???
 2 years ago
 2 years ago
happykiddo Group Title
How do I figure out the number of atoms in element, when I know the molar mass is 3.30 ???
 2 years ago
 2 years ago

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sara12345 Group TitleBest ResponseYou've already chosen the best response.1
whats the element ?
 2 years ago

sara12345 Group TitleBest ResponseYou've already chosen the best response.1
so you have 3.3 moles of Krypton, and you want to find how many atoms are there, is tha t right ?
 2 years ago

sara12345 Group TitleBest ResponseYou've already chosen the best response.1
replace mole wid Avogadro number
 2 years ago

sara12345 Group TitleBest ResponseYou've already chosen the best response.1
1 mole = 6.022 × 10^23 items
 2 years ago

sara12345 Group TitleBest ResponseYou've already chosen the best response.1
just like, 1 dozen = 12 items
 2 years ago

sara12345 Group TitleBest ResponseYou've already chosen the best response.1
3.3 moles of Kr = 3.3 x 6.022 × 1023 atoms
 2 years ago

happykiddo Group TitleBest ResponseYou've already chosen the best response.0
Thanks, a bunch. :)
 2 years ago

happykiddo Group TitleBest ResponseYou've already chosen the best response.0
We're did you get1023
 2 years ago

happykiddo Group TitleBest ResponseYou've already chosen the best response.0
Please answer me , I need some clarification .
 2 years ago

sara12345 Group TitleBest ResponseYou've already chosen the best response.1
3.3 moles of Kr = \(3.3 \times 6.022 × 10^{23}\) atoms
 2 years ago

sara12345 Group TitleBest ResponseYou've already chosen the best response.1
its like that
 2 years ago

sara12345 Group TitleBest ResponseYou've already chosen the best response.1
\(1\ mole = 6.022 \times 10^{23} \) atoms
 2 years ago

happykiddo Group TitleBest ResponseYou've already chosen the best response.0
Oh oops ok thank you very much. :)
 2 years ago

happykiddo Group TitleBest ResponseYou've already chosen the best response.0
So the answer is 19x10 to 23 atom According to significant figures
 2 years ago

sara12345 Group TitleBest ResponseYou've already chosen the best response.1
you wanto show it in scientific notation ?
 2 years ago

happykiddo Group TitleBest ResponseYou've already chosen the best response.0
So the answer is 19 x 10 to 23 power According to significant figures
 2 years ago

sara12345 Group TitleBest ResponseYou've already chosen the best response.1
\(3.3 \times 6.022 × 10^{23}\) \(19.8726 \times 6.022 × 10^{23}\) \(1.98726 \times 6.022 × 10^{24}\)
 2 years ago

sara12345 Group TitleBest ResponseYou've already chosen the best response.1
thats scientific notation, we must change that 19.xxxx to 1.9xxxx
 2 years ago

happykiddo Group TitleBest ResponseYou've already chosen the best response.0
Oh yeah forget .....well really once again thank you.
 2 years ago
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