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Il. Mole Calculation Questions 7 & 8: Calculate the number of moles when given: 7. 35.4...
10) How many moles of carbon atoms are there in 0.500 mole of CaH-2 A) 0.500...
10) How many moles of carbon atoms are there in 0.500 mole of CaH-2 A) 0.500 moles B) 1.00 moles C) 3.00 moles D) 6.02 x 1023 moles E) 4.00 moles 11) How many grams of FerO3 are there in 0.500 mole of FeyOh A) 79.9 g B) 35.9 g C) 63.8 g D) 51.9 g E) 160. g 12) In the kinetic molecular theory of gas behavior, particles of a gas tend to move between them are and collisions...
5. The number of Catoms in 0.500 mole Cis_ a) 2.50 x 10 Catoms b) 3.01...
5. The number of Catoms in 0.500 mole Cis_ a) 2.50 x 10 Catoms b) 3.01 * 10 Catoms c) 5.01 * 10 Catoms d) 6.00 x 10 Catoms 6. How many moles are there in 120 g of glucose (CH O )? 6 12 6 a) 0.5 moles b) 0.67 moles c) 1.0 moles d) 1.2 moles 7. How much does Avagadro's number of sulfur atoms weigh? a) 16 amu b) 32 amu c) 16 g d) 32 g...
CHM 1045 Reactions and Stoichiometry In Class Questions 2. How many sodium atoms are in 0.120...
CHM 1045 Reactions and Stoichiometry In Class Questions 2. How many sodium atoms are in 0.120 moi Na? 0.10 moi va y...olx.2-12 ima 2. Calculate the number of atoms in 2.95 mol Of copper. 2.45 voleux 3. A Sliver ring contains 1.1 X 10 silver atoms. How many moles of silver are in the ring? Itxite Imol- * 6.024x15 - 4. Zinc (Zn) is a siivery metal that is used in making brass (with copper) and in plating Iron to...
help with All 8 questions please Question 13 2 pts How many moles of carbon are...
help with All 8 questions please
Question 13 2 pts How many moles of carbon are there in 19.3 g of sucrose, CH120.? Use 180.16 g/mol as the mw of ose. Give your answer three decimal places. su Question 14 3 pts A sample of C6H12 has 34.5 g of carbon. How many moles of CH 12 are there? Use 12.01 g/mol as the mw of carbon and 84.16 g/mol as the mw of C6H12. Give your answer to three...
3. 495 grams is a typical mass for a glass of water. Calculate the number of...
3. 495 grams is a typical mass for a glass of water. Calculate the number of water molecules you drink when quenching your thirst with this quantity of our most common liquid. 4. How many moles are in 150 grams of each of the compounds in problem #1? 5. How many grams are need to give .250 moles of each of the compounds in problem #1? 6. What is the percent weight of oxygen in barium chlorate? Da Cloz) 2...
please complete the questions has not answering with clarification of the answer to any page Name...
please complete the questions has not answering with
clarification of the answer to any page
Name Lab Section _Date The Mole Concept and Atomic Weights The purpose of this activity is to better understand the concepts of relative atomic mass, counting by weighing and the mole. Percent composition and average atomic mass are included. Part I. Relative Atomic Masses and the Mole - Early Method When John Dalton proposed his atomic theory, he stated that the atoms of each element...
please choose best correct 11 The empirical formula for a compound that contained 14.4% hydrogen and...
please choose best correct
11 The empirical formula for a compound that contained 14.4% hydrogen and 85.6% carbon by mass is CH CH; la 12 If The molecular weight of H,PO, is 97.9 g/mol, the Equivalent weight is.... a 32.6 g per equivalent | 49 g per equivalent b 98 g per equivalent a 196 g per equivalent 130.2 g/cm' is equivalent to a 2000 Kg/m € 200 kg/m b 2 Kg/m a 20 Kg/m 14 Convert 240 K and...
I need each question answered. #6-12 6. Calculate the number of nitrogen atoms are present in...
I need each question answered. #6-12
6. Calculate the number of nitrogen atoms are present in each of the following quantities. A) 8.45x10 kg nitric acid B) 1280 dg of calcium nitrate 7. Write the empirical formula of the following compounds. A) H2S2 D) Co:PO B) ZnP203 E) C:H16012 C) C12H1oCl2 F) Au204 8. First balance the equation below the answer the questions that follow. ZrCN(aq) + Al2(S2O3)3(aq) — Zr2S2O3(s) + A) How many moles of ZnSO, of can form...
15. Use the Ideal Gas Law and the answers to questions 12, 13 and 14 to calculate the number of moles of hydrogen g...
15. Use the Ideal Gas Law and the answers to questions 12, 13 and 14 to calculate the number of moles of hydrogen gas present. R 0.0821 Leatm/mol K (watch sig figs.) 16. A student reacted 0.7655 g of chromium (at. wt - 51.996 g/mol) with exactly 1.566 g of chlorine (at. wt. - 35.453 g/mol). Convert both these masses to moles and determine the empirical formula (like AX) of the compound of Cr and CL SHOW YOUR WORK 17....
can you do number 10,11,12,13,14,15,16,17,18,19 and 20? show calculations please FORMA 10) 6 moles of H2...
can you do number 10,11,12,13,14,15,16,17,18,19 and 20?
show calculations please
FORMA 10) 6 moles of H2 will make how many moles of CHO, a)6 b) 12 c) 0.5 d) 1 e) 2 11. In which case is the element correctly matched with its combining ability? a) K:+ b) Mg: +2 c) Al: +3 d) a & b e), b, & c 12 Based on your knowledge of the periodic table, which would be a correct formula? a) CaS b) NaBr...
10) How many moles of carbon atoms are there in 0.500 mole of CaH-2 A) 0.500 moles B) 1.00 moles C) 3.00 moles D) 6.02 x 1023 moles E) 4.00 moles 11) How many grams of FerO3 are there in 0.500 mole of FeyOh A) 79.9 g B) 35.9 g C) 63.8 g D) 51.9 g E) 160. g 12) In the kinetic molecular theory of gas behavior, particles of a gas tend to move between them are and collisions...
5. The number of Catoms in 0.500 mole Cis_ a) 2.50 x 10 Catoms b) 3.01 * 10 Catoms c) 5.01 * 10 Catoms d) 6.00 x 10 Catoms 6. How many moles are there in 120 g of glucose (CH O )? 6 12 6 a) 0.5 moles b) 0.67 moles c) 1.0 moles d) 1.2 moles 7. How much does Avagadro's number of sulfur atoms weigh? a) 16 amu b) 32 amu c) 16 g d) 32 g...
CHM 1045 Reactions and Stoichiometry In Class Questions 2. How many sodium atoms are in 0.120 moi Na? 0.10 moi va y...olx.2-12 ima 2. Calculate the number of atoms in 2.95 mol Of copper. 2.45 voleux 3. A Sliver ring contains 1.1 X 10 silver atoms. How many moles of silver are in the ring? Itxite Imol- * 6.024x15 - 4. Zinc (Zn) is a siivery metal that is used in making brass (with copper) and in plating Iron to...
help with All 8 questions please
Question 13 2 pts How many moles of carbon are there in 19.3 g of sucrose, CH120.? Use 180.16 g/mol as the mw of ose. Give your answer three decimal places. su Question 14 3 pts A sample of C6H12 has 34.5 g of carbon. How many moles of CH 12 are there? Use 12.01 g/mol as the mw of carbon and 84.16 g/mol as the mw of C6H12. Give your answer to three...
3. 495 grams is a typical mass for a glass of water. Calculate the number of water molecules you drink when quenching your thirst with this quantity of our most common liquid. 4. How many moles are in 150 grams of each of the compounds in problem #1? 5. How many grams are need to give .250 moles of each of the compounds in problem #1? 6. What is the percent weight of oxygen in barium chlorate? Da Cloz) 2...
please complete the questions has not answering with
clarification of the answer to any page
Name Lab Section _Date The Mole Concept and Atomic Weights The purpose of this activity is to better understand the concepts of relative atomic mass, counting by weighing and the mole. Percent composition and average atomic mass are included. Part I. Relative Atomic Masses and the Mole - Early Method When John Dalton proposed his atomic theory, he stated that the atoms of each element...
please choose best correct
11 The empirical formula for a compound that contained 14.4% hydrogen and 85.6% carbon by mass is CH CH; la 12 If The molecular weight of H,PO, is 97.9 g/mol, the Equivalent weight is.... a 32.6 g per equivalent | 49 g per equivalent b 98 g per equivalent a 196 g per equivalent 130.2 g/cm' is equivalent to a 2000 Kg/m € 200 kg/m b 2 Kg/m a 20 Kg/m 14 Convert 240 K and...
I need each question answered. #6-12
6. Calculate the number of nitrogen atoms are present in each of the following quantities. A) 8.45x10 kg nitric acid B) 1280 dg of calcium nitrate 7. Write the empirical formula of the following compounds. A) H2S2 D) Co:PO B) ZnP203 E) C:H16012 C) C12H1oCl2 F) Au204 8. First balance the equation below the answer the questions that follow. ZrCN(aq) + Al2(S2O3)3(aq) — Zr2S2O3(s) + A) How many moles of ZnSO, of can form...
15. Use the Ideal Gas Law and the answers to questions 12, 13 and 14 to calculate the number of moles of hydrogen gas present. R 0.0821 Leatm/mol K (watch sig figs.) 16. A student reacted 0.7655 g of chromium (at. wt - 51.996 g/mol) with exactly 1.566 g of chlorine (at. wt. - 35.453 g/mol). Convert both these masses to moles and determine the empirical formula (like AX) of the compound of Cr and CL SHOW YOUR WORK 17....
can you do number 10,11,12,13,14,15,16,17,18,19 and 20?
show calculations please
FORMA 10) 6 moles of H2 will make how many moles of CHO, a)6 b) 12 c) 0.5 d) 1 e) 2 11. In which case is the element correctly matched with its combining ability? a) K:+ b) Mg: +2 c) Al: +3 d) a & b e), b, & c 12 Based on your knowledge of the periodic table, which would be a correct formula? a) CaS b) NaBr...
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