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15 What is the mass in grams of 6.0 x 1024 formula units of aluminium sulfate?...
25 What is the mass in grams of 6.0 x 1024 formula units of lithium acetate?...
25 What is the mass in grams of 6.0 x 1024 formula units of lithium acetate? (A) 657. 81 g (B) 0. 15101 g (C) 5. 4727 x 1046 g (D) 6. 622 g
Question 2 (1 point) What is the mass, in grams, of 4.5 x 1024 formula units...
Question 2 (1 point) What is the mass, in grams, of 4.5 x 1024 formula units of magnesium chloride? The molar mass of magnesium chloride is 95.211 grams/mole. Enter your answer in normal decimal form. I AJ 9
17 How many formula units are in 10.0 grams of calcium fluoride? (A) 4.6956 x 1024...
17 How many formula units are in 10.0 grams of calcium fluoride? (A) 4.6956 x 1024 formula units (B) 2. 1297 x 10-25 formula units (C) 7. 7179 x 1022 formula units (D) 1.2957 x 1025 formula units
What is the mass, in grams, of 9.10 x 1024 molecules of methanol (CH3OH) ? mass:...
What is the mass, in grams, of 9.10 x 1024 molecules of methanol (CH3OH) ? mass: What is the mass of exactly 1 mole of each of the elements? arsenic: boron: germanium: Tia has a sample of pure gold (Au). She weighed the sample and the result was 45.2 grams. Tia wants to determine the number of atoms in the sample. Calculate the number of atoms in 45.2 g of pure gold.
* 10 What is the mass in grams of a sample of Mg(CIO3)2 that contains 6.0 x 1020 atoms of oxygen? (A) 31717. grams...
* 10 What is the mass in grams of a sample of Mg(CIO3)2 that contains 6.0 x 1020 atoms of oxygen? (A) 31717. grams (B) 3. 1529 x 1047 grams (C) 1. 1502 grams (D) 31. 299 grams 11 Name the compound Pb(NO3)4. (A) lead (II) nitrite (B) lead (II) nitrate (C) lead (IV) nitrate (D) lead (III) nitride 12 What is the mass % of carbon in (C2H SO)? (A) 7.74% (B) 60.0 % (C) 20.6% (D) 30.7% (E)...
Question 5 Calculate the relative formula mass for aluminium sulphate. Question 6 A carbonate of metal...
Question 5 Calculate the relative formula mass for aluminium sulphate. Question 6 A carbonate of metal X has the formula X CO3. The equation for the reaction of X2CO3 with HCl is: X2CO3 + 2HCl - 2 XCl + CO2 + H2O 0,245g of the carbonate was found to exactly neutralise 23,6 cm3 of HCl with a concentration of 0,150 mol/dm3. Complete the following: (a) (b) (c) Calculate the number of moles of HCI. Calculate the number of moles of...
1) Calculate the number of moles of Cl atoms in 3.01×1024 formula units of magnesium chloride,...
1) Calculate the number of moles of Cl atoms in 3.01×1024 formula units of magnesium chloride, MgCl2. Express your answer numerically in moles. 2) In the gaseous state, chlorine exists as a diatomic molecule Cl2 (Molar mass = 70.9 g/mol). Calculate the number of moles of chlorine present in 100 g of chlorine gas. Express the quantity in moles to three significant figures. 3) Sodium hydroxide, NaOH, is a strong base that is used in industrial synthesis and processes such as...
What is the molar mass of copper (II) sulfate, CuSO4? Select one: O A. 63.55.9 OB....
What is the molar mass of copper (II) sulfate, CuSO4? Select one: O A. 63.55.9 OB. 159.629 O C. 111.55 g D. 319.17 g O E. 16.00 9 An unknown compound is composed of the elements Nitrogen and Oxygen. The compound is analyzed and determined to be 30.45% and 69.55% 0. The molecular mass of the compound is found to be 02.01 g/mol. Determine the compound's molecuar formula and provide your answer below as Nxoy where x and y are...
10) Consider the hypothetical reaction: 3A2+ 2B C+ 2D If 6.0 moles with 2.0 moles of...
10) Consider the hypothetical reaction: 3A2+ 2B C+ 2D If 6.0 moles with 2.0 moles of B, what is the maximum amount of C that can be formed? A) 6.0 mol E) 5.0 mol D) 1.0 mol C) 2.0 mol B) 8.0 mol ues 11) 11) What is the mass of 4.35 moles of aluminum? A) 9.78 x 1022 g B) 2.62 x 1024 C)0.163 g D) 117 g E) 27.8 g g 12) 12) Choose the best classification of...
10) 10) Consider the hypothetical reaction: 3A2 + 2B - C + 2D Ir 6.0 moles of A are mixed with 2.0 moles of B, what...
10) 10) Consider the hypothetical reaction: 3A2 + 2B - C + 2D Ir 6.0 moles of A are mixed with 2.0 moles of B, what is the maximum amount of C that can be formed? A) 6.0 mol B) 8.0 mol C) 2.0 mol D) 1.0 mol E) 5.0 mol 11) What is the mass of 4.35 moles of aluminum? A) 9.78 x 1022 B) 2.62 x 1024 g C) 0.1638 D) 1178 E) 27.8 g 12) 12) Choose...
25 What is the mass in grams of 6.0 x 1024 formula units of lithium acetate? (A) 657. 81 g (B) 0. 15101 g (C) 5. 4727 x 1046 g (D) 6. 622 g
Question 2 (1 point) What is the mass, in grams, of 4.5 x 1024 formula units of magnesium chloride? The molar mass of magnesium chloride is 95.211 grams/mole. Enter your answer in normal decimal form. I AJ 9
17 How many formula units are in 10.0 grams of calcium fluoride? (A) 4.6956 x 1024 formula units (B) 2. 1297 x 10-25 formula units (C) 7. 7179 x 1022 formula units (D) 1.2957 x 1025 formula units
What is the mass, in grams, of 9.10 x 1024 molecules of methanol (CH3OH) ? mass: What is the mass of exactly 1 mole of each of the elements? arsenic: boron: germanium: Tia has a sample of pure gold (Au). She weighed the sample and the result was 45.2 grams. Tia wants to determine the number of atoms in the sample. Calculate the number of atoms in 45.2 g of pure gold.
* 10 What is the mass in grams of a sample of Mg(CIO3)2 that contains 6.0 x 1020 atoms of oxygen? (A) 31717. grams (B) 3. 1529 x 1047 grams (C) 1. 1502 grams (D) 31. 299 grams 11 Name the compound Pb(NO3)4. (A) lead (II) nitrite (B) lead (II) nitrate (C) lead (IV) nitrate (D) lead (III) nitride 12 What is the mass % of carbon in (C2H SO)? (A) 7.74% (B) 60.0 % (C) 20.6% (D) 30.7% (E)...
Question 5 Calculate the relative formula mass for aluminium sulphate. Question 6 A carbonate of metal X has the formula X CO3. The equation for the reaction of X2CO3 with HCl is: X2CO3 + 2HCl - 2 XCl + CO2 + H2O 0,245g of the carbonate was found to exactly neutralise 23,6 cm3 of HCl with a concentration of 0,150 mol/dm3. Complete the following: (a) (b) (c) Calculate the number of moles of HCI. Calculate the number of moles of...
What is the molar mass of copper (II) sulfate, CuSO4? Select one: O A. 63.55.9 OB. 159.629 O C. 111.55 g D. 319.17 g O E. 16.00 9 An unknown compound is composed of the elements Nitrogen and Oxygen. The compound is analyzed and determined to be 30.45% and 69.55% 0. The molecular mass of the compound is found to be 02.01 g/mol. Determine the compound's molecuar formula and provide your answer below as Nxoy where x and y are...
10) Consider the hypothetical reaction: 3A2+ 2B C+ 2D If 6.0 moles with 2.0 moles of B, what is the maximum amount of C that can be formed? A) 6.0 mol E) 5.0 mol D) 1.0 mol C) 2.0 mol B) 8.0 mol ues 11) 11) What is the mass of 4.35 moles of aluminum? A) 9.78 x 1022 g B) 2.62 x 1024 C)0.163 g D) 117 g E) 27.8 g g 12) 12) Choose the best classification of...
10) 10) Consider the hypothetical reaction: 3A2 + 2B - C + 2D Ir 6.0 moles of A are mixed with 2.0 moles of B, what is the maximum amount of C that can be formed? A) 6.0 mol B) 8.0 mol C) 2.0 mol D) 1.0 mol E) 5.0 mol 11) What is the mass of 4.35 moles of aluminum? A) 9.78 x 1022 B) 2.62 x 1024 g C) 0.1638 D) 1178 E) 27.8 g 12) 12) Choose...
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