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Lon5 9-11-/3 Ch.2Ators Molecule s ana What_ar e # d ffrent Kinds fParticles #G intlc atoms nuclev $ Compa r e 4ic P (oPectres Ata eath olerand_with thoS_ofan @1ecto...

Question

Lon5 9-11-/3 Ch.2Ators Molecule s ana What_ar e # d ffrent Kinds fParticles #G intlc atoms nuclev $ Compa r e 4ic P (oPectres Ata eath olerand_with thoS_ofan @1ectonXYgen Consiot S op #nlee diffrent eoch_hauing diffcent Pra tonS_ Juk dEcen + numbecs_OSneutcons

lon5 9-11-/3 Ch.2Ators Molecule s ana What_ar e # d ffrent Kinds fParticles #G intlc atoms nuclev $ Compa r e 4ic P (oPectres Ata eath olerand_with thoS_ofan @1ecton XYgen Consiot S op #nlee diffrent eoch_hauing diffcent Pra tonS_ Juk dEcen + numbecs_OSneutcons



Answers

Calculate the number of atoms in each sample.
$$\begin{array}{ll}{\text { a. } 14.955 \mathrm{gCr}} & {\text { b. } 39.733 \mathrm{gS}} \\ {\text { c. } 12.899 \mathrm{gPt}} & {\text { d. } 97.552 \mathrm{g} \mathrm{Sn}}\end{array}$$

So this question. I asked us to find the number of atoms in each of the following samples, so we begin with fourteen point nine five five grams of chromium. So the first thing we want to do before we can convert toe Adams's convert to moles and so Chromium Sze Molecular masses fifty one point nine nine six grams per mole us from the periodic table. So Graham's cancel. Now we want to convert moles into atoms. And so one mall. It's six point oh two, two times ten to the twenty third Adams. And so moles cancel and our final answer will be in Adam's of chromium. So when we do this, we find that we have one point seven three two times ten to the twenty third Adams of chromium and some moving on toe. Let her be. Now we have thirty nine point seven three three grams of sulfur. We do the same thing we did in a where we take the molecular mass of software from the periodic table thirty two point oh, six grams per mall and then we just convert moles in tow. Adam's using avocados number six point oh two, two times ten to the twenty third Adams in one more. And so we do this math and we find our answer to be seven point four six three two times ten to the twenty third Adams of sulfur. So moving on the letter C this time we have twelve point eight nine nine grams of platinum. We first convert this into moles using platinums Moler, Mass. One point nine five zero eight grams per mall and then convert malls into Adams by using avocados. Number six point two two times ten to the twenty third Adam's Permal. And so again we solve this and we find out that we have three point nine eight one eight times ten to the twenty seconds Adams of platinum. So moving on finally, a letter d we have ninety seven point five five two grams of tin. We use the Mueller massive ten one eighteen point seven one grams per mall and then again convert moles into Adam's using Abba. God rose number six point two, two times ten to the twenty third, and we saw this to find that we have four point nine four eight seven times, ten to the twenty third Adams of ten

Here. In this question, we help have to calculate more for the given. Simple for body. 1.34 g of zinc. Modern mosque Yeah, of thing is equal to a 65.4 g number of more something he's able to mass divided by modern Mass Given Mask. 1.3 foreground, divided by modern marks. 65 point for Graham Foreman musical too. 0.2 more the next four. Part B 24.9. Grandma I'll Go, Mother Mosque of our bone is equal to 40 rounds. Number of malls of are gone is equal to 24.9 g, divided by 40 grand per month is equal to 0.62 well and next please c r C 72.5 g. Well, Italian modern models for Italian is equal to 1 81 g number of moles of yeah is equal to given was 72.5 g, divided by more than US 11 g. Claremont is equal to 0.4 more and and sinful part the me Yeah, 0.2 to 3 g of lithium mother was a medium is equal to six girls and number of Wallace of lithium is equal to 0.2 to 3. Ground, divided by six grand per month, is equal to 0.3 seven more.

We know that body centered cubic units self have two atoms on the volume offer units. Elyse called the volume of a cube, which is a cube. Now let's put the values which is, um, given us 3.3058 Stone converted 2 m, then two centimeter e minus 2 m cube on. We get the answer. Volume off unit is 3.61268 multiplied by 10. 24 minus 23 centimeter cube is the volume off the unit cells and we know that mass is equal to then city multiplied by volume. Now let's calculate I forgot. Draws number 1 80.9 for 947 nine Cram off tear by 1 g. Off to you one mold. Sorry. One one more loft year, then converted toe. One unit self Yes. 3.61268 multiplied by 10 to the power minus 23 centimeter cube to intimate. Okay, if there is by 16.6 34 g multiplied by two atoms off, dear. If I do it by one unit, so finding it so it's cancel out. Centimeter Cube Graham can cancels out and they ever get through? Number. He's 6.2 multiplied wet and toe Report. 23 Adams Bar More

And so for the given problem here we have given problems problems steven given question we have is the weight of one and 2 10 raised to the power 22 molecules of copper sulfate and risk a person if it is option a 42.4442 from 41.4 to Graham 44.44 g and 48.94 g. So here uh you know dead um we have one mall is equal to 6.02 To multiply 10 raised to the Power 23. So in one model one model of any substance contained the avocados number 6.2 to multiply and rest of the power 23 molecules atoms and particles. So here we have to find molecular weight molecule er with our molecular moss of given component here you see you. Yes. So for Into two H 20. This is equal to 2 49 Trump and We now did 6.02 to multiply and raised to the power 23 molecules of copper sulfate in high risk couple self it equal to 24 and i in grand. And here we have given molecule is one in 2 10 raised to the power 23 molecules which is equal to Small killer months to 49. Divided by I have other those number we have 6.023 multiply tenders to the power 23 and yeah Until we have one into 10 days to the power 23 which is equal to 4.14 sorry four point 4.1 four grand. And here we have correct option for going 14 ground. So here here is no correct option, so we have, the correct answer is four points 14 grand is the calculated answer for the given problem.


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