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

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

happykiddo Group TitleBest ResponseYou've already chosen the best response.0
Krypton
 one year 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 ?
 one year ago

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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