how many atoms are in 157 g of calcium

3 7 8 0 g of an organic chloro compound gave 0. 5 7 4 0 g of silver chlorine present in the compound. Join now. Relevance. How many atoms are in 127 g of calcium? All Chemistry Practice Problems Mole Concept Practice Problems. To get the number of atoms you need to to multiply 3.37 by 6.02 * 10^23. In this case, you have 167g of calcium. How many atoms are in 167 g of calcium? Should I call the police on then? 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 … What are the reasons behind choose microblading services? Well Calcium has a atomic weight Of about 40.09. So 167/40.078 = 4.17 moles. 2) To find the atoms, multiply 0.00282 moles x 6.022x10^23 atoms/mole = 1.70 x 10 ^21 atoms of calcium. 4557 users searched for this homework answer last month and 74 are doing it now, let’s get your homework done. Relevance. - 16012062 1. That equals 2.02874 × 10^24 atoms of Calcium Lv 7. How many atoms are 147 g of calcium? 133 g divided by the gram-atomic weight of Ca (40.08 g/mol) = … Determine the volume of a solid gold thing which weights 500 grams? Ask your question. Want to see this answer and more? We know that 113 mg is 0.113. We're asked to calculate the number of atoms of #"Ca"# in #153# #"g Ca"#. 4 3.46 10 24 d 5.02 . How many atoms are in 137 g of calcium? How many atoms are in 133 g of calcium? I went to a Thanksgiving dinner with over 100 guests. Why is the mole an important unit to chemists? Question: How many atoms are in 121 g of calcium? 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. Chemistry, 21.06.2019 20:30, TombRaider167. Atomic weight of calcium is 40.0, so there are 40.0 g / mole # of moles = 147 / 40.0 = 3.68 moles. How many atoms are in 155 g of calcium? Update: sorry i meant 157* Answer Save. Lv 7. Do a quick conversion: 1 grams Calcium = 0.024951344877489 mole using the molecular weight calculator and the molar mass of Ca. TutorsOnSpot.com. first 60 minutes are free. See the answer. Join now. c . 1. How many moles of calcium (Ca) atoms are in 77.4 \mathrm{g} of Ca? check_circle Expert Answer. 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 = … Get your answers by asking now. Experts are waiting 24/7 to provide step-by-step solutions in as fast as … 1 mole of a substance has Avagadros number of particles. 3 Answers. Ask your question. Expert Answer 100% (3 ratings) Previous question Next question Get more help from Chegg. Online tutors ready to help 24/7 for any subject. none of these b 1.25 102 a . 1. 15g = 15/40 = 0.375 moles. Join now. Find the energy required. 1. How many atoms are in 127 g of calcium? 0. Want to see the step-by-step answer? $$2.30 xx 10^24$$ $$"atoms Ca"$$ Explanation: We're asked to calculate the number of atoms of $$"Ca"$$ in $$153$$ $$"g Ca"$$. What is the average molecular weight (in g/gmol) of the following mixture: 10.0 mole% C2H5 OH. Click here 👆 to get an answer to your question ️ How many atoms are in 151 g of calcium? check_circle Expert Answer. How many niobium atoms would there be in 83.6 milligrams of niobium? Favorite Answer. Log in. 8 years ago. Now you take that number and multiply it by Avogadro's number to get the number of atoms. 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 … No. Find answers now! Answers: 1 Get Other questions on the subject: Chemistry. In this case the particles are atoms of Ca. How many atoms are in 159 g of calcium? Chemistry 0. Question. Calcium weighs 40.08 grams per mole. Question: How Many Atoms Are In 157 G Of Calcium? Avogadro's number is 6.02 x 10^23 atoms / mole. By signing up, you'll get thousands of step-by-step solutions to your homework questions. 3 Answers. Still have questions? Log in. 0 0. HOMEWORK 8 QUESTION 1 1. DIAMOND355945 04/27/2020 Chemistry Middle School +5 pts. With sick of our problem. Guarantees. Want to see this answer and more? Log in. this video, we're gonna go over how to convert Grams to moles. How can I calculate the moles of a solute. Asked Aug 31, 2020. The mass of a single niobium atom is 1.54 x 10-22 grams. 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"#. during extraction of a metal the ore is roasted if it is a? See Answer. 155-g Ca x ( 1 mol Ca / 40.1-g Ca) x ( 6.023 x 10²³ atoms Ca / 1 mol Ca) = 2.33 x 10²⁴ atoms Ca. 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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. See Answer. How many atoms are in 159 g of calcium? Roger the Mole. Tks! 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 The gram atomic mass of calcium is 40.08. If possible explain how to get the solution. Favorite Answer. Learn this topic by watching Mole Concept Concept Videos. How many atoms are in 127 g of calcium? The chief was seen coughing and not wearing a mask. RossK. around the world. how many atoms are in 133 g of calcium? Q. We also know that 1 mole = 6.022 x 10^23 atoms. 2 months ago. How many atoms are in 157 g of calcium? The molar mass of calcium is 40.078. This Top Homework Answer is High School … 1. Log in. See the answer. How do you calculate the number of moles from volume? How do you calculate the moles of a substance? Question: "how many atoms are in 169 g of calcium" TutorsOnSpot.com. What we must first do … Check out a sample Q&A here. How Many Atoms Are In 177 G Of Calcium. Join now. All Chemistry Practice Problems Mole Concept Practice Problems. 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. To do that, you divide the grams of substance you have by its molar mass. Learn this topic by watching Mole Concept Concept Videos. If possible explain how to get the solution. How many atoms are in 171 g of calcium? This problem has been solved! 1 Questions & Answers Place. Therefore, 127 g of calcium constitutes 127/40.08 or 3.69 gram atomic masses. Answered Calcium has an atomic … Chemistry, 05.10.2019 06:30, pr173418 How many atoms are in 165 g of calcium? How many atoms are in 159 g of calcium? Sarah. Question. Q. Answer to: How many atoms are in 117 g of calcium. Question: How Many Atoms Are In 127 G Of Calcium? This problem has been solved! 85 views. Convert the mass to moles by dividing by the molar mass (40.1-g/mol) then multiply by Avogadro's number (6.023 x 10²³ atoms/mol), 2. Lv 7. Check out a sample Q&A here. How many atoms of calcium are present in 83.4 g of calcium? 75.0 mole% C4H8O2, and 15.0 mole% CH3COOH. 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 . 2 Answers. 0.113 g / 40.08 g/mole = 0.00282 moles of calcium. Answer Save. . 0.550 kg of water was heated from 20.3oC to 75.2°C. 7 years ago. 1) Find your moles. Relevance. Join Yahoo Answers and get 100 points today. View HOMEWORK 8 from CHEM 1301 at University of Houston. ChemTeam. Answer Save. How does the mole relate to molecules and ions? So you must divide 135 by 40.09 to get about 3.37. Want to see the step-by-step answer? ...” in 📙 Chemistry if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions. The content written by our service is totally original and free from all kinds of plagiarism. So 4.17 x (6.022 x 10^23) . Tks! 3.37 is the amount of moles of calcium there are in 135g . 157 G----- Atoms. The mole relate to molecules and ions 83.4 g of calcium 'll get thousands of step-by-step in! 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