We're asked to calculate the number of atoms of #"Ca"# in #153# #"g Ca"#. To get the number of atoms you need to to multiply 3.37 by 6.02 * 10^23. 1 Questions & Answers Place. Chemistry, 05.10.2019 06:30, pr173418 How many atoms are in 165 g of calcium? Chemistry, 21.06.2019 20:30, TombRaider167. How many atoms are in 159 g of calcium? If possible explain how to get the solution. How many atoms are in 159 g of calcium? 15g = 15/40 = 0.375 moles. Experts are waiting 24/7 to provide step-by-step solutions in as fast as â¦ What we must first do â¦ Join now. 1. Expert Answer 100% (3 ratings) Previous question Next question Get more help from Chegg. 3.37 is the amount of moles of calcium there are in 135g . 2 months ago (133 g Ca) / (40.0784 g Ca/mol) x (6.022 x 10^23 atoms/mol) = 2.00 × 10^24 atoms Ca. Favorite Answer. 2) To find the atoms, multiply 0.00282 moles x 6.022x10^23 atoms/mole = 1.70 x 10 ^21 atoms of calcium. Relevance. How do you calculate the moles of a substance? The chief was seen coughing and not wearing a mask. How Many Atoms Are In 177 G Of Calcium. ...â in ð Chemistry if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions. Question: How many atoms are in 121 g of calcium? No. 3 7 8 0 g of an organic chloro compound gave 0. That will give you the number of atomsâ¦ RossK. View Answer A mixture of sodium ehloride ( N a C I ) and sodim carbonate ( N a 2 C O 3 ) has a mole 2 : 1 . How many niobium atoms would there be in 83.6 milligrams of niobium? aliciasmith7011 aliciasmith7011 04/14/2020 â¦ Log in. Q. By signing up, you'll get thousands of step-by-step solutions to your homework questions. 4 3.46 10 24 d 5.02 . What is the average molecular weight (in g/gmol) of the following mixture: 10.0 mole% C2H5 OH. Convert the mass to moles by dividing by the molar mass (40.1-g/mol) then multiply by Avogadro's number (6.023 x 10Â²Â³ atoms/mol), 2. The molar mass of calcium is 40.078. Now you take that number and multiply it by Avogadro's number to get the number of atoms. 85 views. 75.0 mole% C4H8O2, and 15.0 mole% CH3COOH. Why is the mole an important unit to chemists? Florida GOP official resigns over raid of data scientist, Ex-Rep. Katie Hill alleges years of abuse by husband, Pornhub ends unverified uploads and bans downloads, Players walk after official allegedly hurls racist slur, Chadwick Boseman's emotional scene in final film, House approves defense bill despite Trump veto threat, Biden says reopening schools will be a 'national priority', Family: Man shot by deputy 'was holding sandwich', Chick-fil-A files suit over alleged price fixing, Dez Bryant tweets he's done for season after positive test, After 'safe harbor day,' GOP still won't say Biden won. To work this out you need to know the atomic weight of calcium and Avogadros number, which is the number of atoms in a gram atom. 2 months ago. Do a quick conversion: 1 grams Calcium = 0.024951344877489 mole using the molecular weight calculator and the molar mass of Ca. View HOMEWORK 8 from CHEM 1301 at University of Houston. Just divide by its Atomic weight Shown on the periodic table, 40.078, Put a g next to it, then multiply it out by Avagadro's number which is 6.022 x 10^23, Soooo (155g Ca/1)*(1 mole/40.078g)*(6.022 x 10^23/1 mole), Basically its saying you have 155g of Calcium, and you now from the Periodic table that its Amu is 40.078 (atomic mass) to get 1 mole of that element, so you divide, and that for every mole there are 6.022 x 10^23 atoms in that mole, so you multiply out to get the amount of atoms in that mole 8D, 1. Chemistry 0. Get your answers by asking now. 133 g divided by the gram-atomic weight of Ca (40.08 g/mol) = â¦ Want to see the step-by-step answer? All Chemistry Practice Problems Mole Concept Practice Problems. Therefore, 127 g of calcium constitutes 127/40.08 or 3.69 gram atomic masses. 7 years ago. So 4.17 x (6.022 x 10^23) . during extraction of a metal the ore is roasted if it is a? How many atoms are in 133 g of calcium? 2 Answers. HOMEWORK 8 QUESTION 1 1. Want to see the step-by-step answer? Answer to: How many atoms are in 117 g of calcium. 1) Find your moles. Atomic weight of calcium is 40.0, so there are 40.0 g / mole # of moles = 147 / 40.0 = 3.68 moles. Calcium weighs 40.08 grams per mole. See Answer. Ask your question. I went to a Thanksgiving dinner with over 100 guests. 0. So you must divide 135 by 40.09 to get about 3.37. The content written by our service is totally original and free from all kinds of plagiarism. none of these b 1.25 102 a . Relevance. remind that mass=number of moles x molar mass and molar mass of Ca is 40 $$167=n*40$$ $$n=4.175$$ 1 moles =$$6.02 × 10^23$$atoms therefore â¦ Well Calcium has a atomic weight Of about 40.09. Just divide by its Atomic weight Shown on the periodic table, 40.078, Put a g next to it, then multiply it out by Avagadro's number which is â¦ check_circle Expert Answer. 1 mole of a substance has Avagadros number of particles. How does the mole relate to molecules and ions? Relevance. 0.113 g / 40.08 g/mole = 0.00282 moles of calcium. How many atoms are in 137 g of calcium? 5 7 4 0 g of silver chlorine present in the compound. Get an answer to your question âHow many atoms are in 151 g of calcium? How many atoms are in 167 g of calcium? Answer Save. How many atoms are in 127 g of calcium? - 16012062 1. Log in. Question: "how many atoms are in 169 g of calcium" TutorsOnSpot.com. Learn this topic by watching Mole Concept Concept Videos. How many atoms are in 159 g of calcium? We also know that 1 mole = 6.022 x 10^23 atoms. Favorite Answer. Join Yahoo Answers and get 100 points today. What we must first do is convert the given mass of calcium to moles of calcium, using its molar mass (referring to a periodic table, this is #40.08"g"/"mol"#): #153# #cancel("g Ca")((1"mol Ca")/(40.08cancel("g Ca"))) = color(blue)(3.82# #color(blue)("mol Ca"#. 155-g Ca x ( 1 mol Ca / 40.1-g Ca) x ( 6.023 x 10Â²Â³ atoms Ca / 1 mol Ca) = 2.33 x 10Â²â´ atoms Ca. Want to see this answer and more? Roger the Mole. DIAMOND355945 04/27/2020 Chemistry Middle School +5 pts. Ask your question. This problem has been solved! To do that, you divide the grams of substance you have by its molar mass. See the answer. Lv 7. With sick of our problem. Question. How many atoms are in 171 g of calcium? That equals 2.02874 × 10^24 atoms of Calcium So 167/40.078 = 4.17 moles. Calculate the number of moles present in: (i) 60 g of calcium (ii) 3.011x10 23 number of oxygen atoms (Given that, Ca = 40 u ; Avogadro number, N o = â¦ 0.550 kg of water was heated from 20.3oC to 75.2Â°C. How many moles of calcium (Ca) atoms are in 77.4 \mathrm{g} of Ca? Question: How Many Atoms Are In 157 G Of Calcium? Should I call the police on then? c . Lv 7. The gram atomic mass of calcium is 40.08. How many atoms are 147 g of calcium? Sarah. Join now. 1. How many atoms are in 157 g of calcium? Find the energy required. How can I calculate the moles of a solute. Answers: 1 Get Other questions on the subject: Chemistry. Asked Aug 31, 2020. Ask your question. Check out a sample Q&A here. Join now. 1. Update: sorry i meant 157* Answer Save. $$2.30 xx 10^24$$ $$"atoms Ca"$$ Explanation: We're asked to calculate the number of atoms of $$"Ca"$$ in $$153$$ $$"g Ca"$$. Log in. See the answer. Determine the volume of a solid gold thing which weights 500 grams? ChemTeam. Learn this topic by watching Mole Concept Concept Videos. Still have questions? How many atoms of calcium are present in 83.4 g of calcium? 8 years ago. 3 Answers. This Top Homework Answer is High School â¦ around the world. Using Avogadro's number, #6.022 xx 10^23"particles"/"mol"#, we can calculate the number of atoms present: #color(blue)(3.82# #cancel(color(blue)("mol Ca"))((6.022xx10^23"atoms Ca")/(1cancel("mol Ca")))#, #= color(red)(2.30 xx 10^24# #color(red)("atoms Ca"#, 58428 views first 60 minutes are free. Click here ð to get an answer to your question ï¸ How many atoms are in 151 g of calcium? See Answer. . Question: How Many Atoms Are In 127 G Of Calcium? 157 G----- Atoms. TutorsOnSpot.com. Tks! This problem has been solved! What are the reasons behind choose microblading services? Join now. Want to see this answer and more? Log in. Find answers now! check_circle Expert Answer. Check out a sample Q&A here. 4557 users searched for this homework answer last month and 74 are doing it now, letâs get your homework done. 1. this video, we're gonna go over how to convert Grams to moles. Â . How many atoms are in 127 g of calcium? Tks! Answered In this case, you have 167g of calcium. Avogadro's number is 6.02 x 10^23 atoms / mole. how many atoms are in 133 g of calcium? 0 0. Calcium has an atomic â¦ The mass of a single niobium atom is 1.54 x 10-22 grams. Q. Guarantees. If possible explain how to get the solution. Online tutors ready to help 24/7 for any subject. How do you calculate the number of moles from volume? How many atoms are in 155 g of calcium? Answer Save. How many atoms are in 127 g of calcium? We know that 113 mg is 0.113. 3 Answers. Lv 7. In this case the particles are atoms of Ca. All Chemistry Practice Problems Mole Concept Practice Problems. Question. Atom is 1.54 x 10-22 grams = 3.68 moles, letâs get your homework done 155... X 10 ^21 atoms of calcium aliciasmith7011 04/14/2020 â¦ get an answer to: how many atoms are in g. That, you 'll get thousands of step-by-step solutions in as fast as how! 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