How many moles of sodium are contained in 99.6 g of Na 2SO 3? 1.43 x 1024 moles Na 0.790 moles Na 2.37 moles Na 1.58 moles Na 2.10 x 1021 moles Na
Q: How many moles are in 208 g of CuCl2? 0.646 moles 2.80 x 104 moles CuCl2 2.10 moles 1.55 moles CuCl2
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Q: Determine the mass in grams of 1.6 x 10-3 mol glucose C.H12O.
A: Given, number of moles of glucose =1.6×10-3 moles =0.0016 moleswe are asked to calculate the mass of…
Q: The number of moles of NaCI (sodium chloride) present in 150 mL of 0.0200 mol/L NaCl(aq) is: O a)…
A: In this question, we want to determine the number of moles of NaCl in the Solution. You can see…
Q: 4. How many grams of sodium hydroxide is needed to prepare 500 mL of 0.5 N sodium hydroxide?…
A: Option d is correct
Q: Calculate mass (in grams) of sodium in 8.5 g of each sodium-containing food additive.a. NaCl (table…
A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…
Q: Magnesium reacts with hydrochloric acid according to the equation below: Mg + 2HC1 MgCl2 + H2…
A: To Solve this problem first we find the number of mole of HCl then we will find the mole of MgCl2
Q: How many g are in 35 mg? O 3.5 g O 35 g O 0.035 g O 35,000 g
A: Given, 35mg of any substance. It converted to gram.
Q: Iron (III) sulfate, FeSO4, is prescribed for the treatment of anemia. How many moles of FeSO4 are…
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Q: moles of NaOH, mol = (43.36 mL/ 25 mL)(1x10^-3 L/ 1 mL)(0.752 M)
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Q: How many H atoms are present in 8.0 g of CH4? O 3.0 x 1023 O 8.3 x 10-25 O 3.7 x 1023 O 1.2 x 1024 O…
A:
Q: Citric acid, CH,O,, is found in many fruits How many H atoms are contained in 0.1g of citric acia…
A: Given : Mass of citric acid = 0.1 g
Q: How many grams of NBr3 can be made from 525 g Br2 ? N2 + 3 Br2 → 2 NBr3 + 44.0 kJ…
A: The reaction is as :- N2 + 3Br2 ----> 2NBr3
Q: 12. It contains the greatest number of atoms. A. 4.0 mol NH3 B. 6.0 moles CO C. 3.0 moles SO3 D.…
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Q: determine the number of moles in 6.22 x 10^25 atoms of Cu
A: Number of moles in 6.22 x 10^25 atoms of Cu is determined as
Q: What is the weight of nitric acid in 12.5N HNO3 solution? Use the following atomic weights H - 1…
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Q: What is the number of molecules in 319g of Li2SO4? (Take NA = 6 x1023)
A: The question is based on mole concept. We have to determine number of molecules present in the…
Q: How many moles are in 155 grams of NO3? O 6.92 moles NO3 O 2.5 moles NO3 O 3472 moles NO3 O 9610…
A: as we know (n) no. of moles = given mass / molar mass
Q: Determine the moles of silicon that contain: a) 66.7 g of Si ______ moles Si b) 3.99 × 1023 Si…
A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…
Q: 17) How many molecules of water are present in 54.7g of water? 5.94 x 10 26 molecules 1.98 x 10 23…
A: Since number of molecules = number of moles X Avogadro's number And number of moles = mass / molar…
Q: How many molecules are present in 300.0 g of benzaldehyde (C6H5CHO)? 2.836 x 1023 molecules 6.023 x…
A: Molar mass of Benzaldehyde = 106.12 g/mol
Q: Calculate the number of oxygen atoms in 25.1 g of nitric acid. O 4.80 x 1023 oxygen atoms O 7.19 x…
A: The number of moles of a substance is the mass of the substance upon its molar mass.
Q: What is the mass of 2.2 x 10 ° CO 2 molecules? O a. 1.0 x 10-12 g O b.1.6 x 10-13 g O. 12x 106 g O…
A:
Q: Calculate the number of moles of MgSO4 in 10.0 g of this compound.
A: Molar Mass is defined as the mass of the substance present in one mole. Mole is the chemical unit…
Q: Determine the number of moles of xenon in 12.0 g of xenon. O 7.62 x 10 -3 mol O 0.0457 mol O 1.00…
A: We can determine the number of moles of a substance from the mass and molar mass of the substance.…
Q: Find out the molar mass of V3(PO4)5. Select one: O 626 g/mole O 672.68 g/mole O 527.68 g/mole O…
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Q: How many grams are in 4.5 moles of sodium fluoride, NaF? 190 g NaF 0.107 g NaF O 103.50 g NaF 0.23 g…
A: A compound is formed by the combination of different elements. The molar mass of the compound is the…
Q: Find out the molar mass of Ca3(PO4)3. Select one: O 504 g/mole O 450 g/mole o 405g/mole O 430 g/mole
A: Atomic mass of calcium is 40 g/mole Atomic mass of oxygen is 16 g/mole Atomic mass of phosphorus is…
Q: Assuming one mole of compound, calculate the theoretical percentage composition of SO3. [MM (S) =…
A: Percentage composition of element is defined as how much percentage of that element is present in…
Q: Use this chemical equation to answer the question below: 2K + Br2 2 KBr Which of the following would…
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Q: How many moles of atoms are contained in 12.4 g CH4? Group of answer choices 198 moles 0.773 mole…
A: 1) How many moles of atoms are contained in 12.4 g CH4?
Q: Calculate number of moles in 2.71 g of CCl4
A: Given: Mass of CCl4=2.71 g Moles of CCl4=?
Q: How many moles are present in 105.6 g of H2SO4? 105.6 mol 98.08 mol 0.9288 mole O 1.077 mole
A: Calculate number of moles of H2SO4 in 105.6 g ?
Q: How many moles of sodium hydroxide are there in 1.00 kg of sodium hydroxide (Given Na=22.99 g/mol;…
A: Given mass of sodium hydroxide = 1kg = 1000g
Q: Calculate the molar mass of a volatile liquid whose mass is 0.46 g. The mass is obtained after a…
A:
Q: 3. How many grams are in 2.35 moles of calcium phosphate, Ca3(PO3)2?
A: Given - - > No of moles of Ca3(PO3)2= 2.35 mol We know that, Molar mass of Ca3(PO3)2 = 278.1779…
Q: How many moles of N2 are produced by the decomposition of 0.250 mol of NaN3? 2NAN3(s) - 2Na(s) +…
A: Given: Number of mol of NaN3 = 0.250 To find: The number of moles of N2 produced.
Q: How many moles of calcium sulfate are contained in 47.6g CASO,? O 0.350 O 2.86 O 1.85 O 0.540 O 7.90…
A: option A will be correct
Q: How many kL does a 1.25 × 10° cL sample contain? O 1.25 × 1013 KL O 1.25 × 104 kL 1.25 x 102 kL O…
A: The given physical quantities can be converted into other physical quantities by knowing the…
Q: How many moles of calcium chloride would be necessary to prepare 94.0 g of calcium phosphate? 6.…
A: 6. The given reaction is : 3CaCl2(aq) + 2Na3PO4(aq) → Ca3(PO4)2(s) + 6NaCl(aq) The mass of…
Q: A solution is prepared by dissolving 21.1 g of NaI in enough water to make 444.5 mL of solution. How…
A: Interpretation- To determine the number of mole of ions in 18.6mL of solution when a solution is…
Q: How many molecules are in 67.1 moles of Co2
A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…
Q: How many grams of Br, are needed to form 65.7 g of AIBr3? 2 Al(s) + 3 Br) 2 AIBr3(a)
A: Since you asked multiple questions so as per Q&A guidelines of portal I solve first question…
Q: How many molecules are present in 300.0 g of benzaldehyde (C_{6}*H_{5} * C * H * O)
A:
Q: How many atoms are contained in 12 g of water? O 2.4 x 1024 O 1.2 x 1024 4.0 x 1023 O 1.3 x 1023
A: To calculate the number of atoms in 12 g of H2O Molar mass of H2O = 18 g/mole Now we calculate moles…
Q: Identify which of the following substances has the amount equivalent to ONE mole. O 6.22 x 1023…
A:
Q: Calculate the number of moles contained in 445 g of Mg(NO3)2
A: Given mass = 445 g
Q: Calculate the formula mass for NaAl(SO4)2∙12H2O. Group of answer choices 362.214 g/mole 394.280…
A: Given that, NaAl(SO4)2∙12H2O Calculate the formula mass?
Q: NaPb+CH 3 CH 2 Cl (CH 3 CH 2 ) 4 Pb+NaCl+Pb What mass of NaPb is required to make 500kg of (CH 3 CH…
A: NaPb reacts with ethyl chloride to form tetraethyl lead. The equation for the balanced chemical…
Q: How many grams of sodium chloride will be produced from 55g of sodium? Na (s) + 2HCI (aq) NaCl (s) +…
A: given : mass sodium = 55 g molar mass of sodium = 22.99 g/mol moles of Na =massmolar mass…
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- The molar mass of water is 18.01528 g/mol. How many hydrogen and oxygen atoms are present in 10.0 g of water, H2O? Question 5 options: a) 6.68 mc008-7.jpg 1023 atoms of hydrogen and 6.68 mc008-8.jpg 1023 atoms of oxygen b) 3.34 mc008-5.jpg 1023 atoms of hydrogen and 3.34 mc008-6.jpg 1023 atoms of oxygen c) 2.16 mc008-3.jpg 1026 atoms of hydrogen and 1.08 mc008-4.jpg 1026 atoms of oxygen d) 6.68 mc008-1.jpg 1023 atoms of hydrogen and 3.34 mc008-2.jpg 1023 atoms of oxygen How many molecules are in a 2.00 g sample of hydrogen peroxide, H2O2? The molar mass of H is 1.01 g/mol, and the molar mass of O is 16.00 g/mol. Question 6 options: a) 7.08 mc007-1.jpg 1022 molecules b) 2.05 mc007-2.jpg 102 molecules c) 3.54 mc007-4.jpg 1022 molecules d) 5.65 mc007-3.jpg 10-23 moleculesFlorasulam is an herbicide with the chemical formula C12H8F3N5O3S. Answer the questions below concerning samples of Florasulam.[Note: Very large numbers requiring scientific notation can be entered as they appears on your calculator screen. 1.25×1022 would be entered as 1.25E22.]• How many moles of Florasulam are present in 35.00 grams of Florasulam? Answer moles• How many atoms of sulfur are present in 35.00 grams of Florasulam? Answer atoms• How many moles of fluorine are present in 0.500 moles of Florasulam? Answer moles• What is the percent nitrogen (by mass) in Florasulam? Answer %How many atoms are in 0.1 g of NaCl? Question 6 options: 9.8E-24 0.1 1E21 3.5E24 1E-21
- Select the quantity that contains the greater number of atoms in each of the following pairs of substances. a. 0.100 mole C atoms or 0.200 mole Al atoms b. Avogadros number of C atoms or 0.750 mole Al atoms c. 6.02 1023 C atoms or 1.50 moles Al atoms d. 6.50 1023 C atoms or Avogadros number of Al atomsSelect the quantity that contains the greater number of atoms in each of the following pairs of substances. a. 0.100 mole N atoms or 0.300 mole P atoms b. 6.18 1023 N atoms or Avogadros number of P atoms c. Avogadros number of N atoms or 1.20 moles of P atoms d. 6.18 1023 N atoms or 2.00 moles P atomsWhich sample has the greatest mass of atomic oxygen? Question 8 options: 36.0 g of H2O 1.20 × 1024 molecules of O2 1.0 mol of NO2
- A typical deposit of cholesterol, C27H46O, in artery is detected to have a mass of 3.9 mg. How many molecules of cholesterol are in this mass? Question 36 options: 1.9 x 1018 molecules of cholesterol 3.7 x 1018 molecules of cholesterol 7.6 x 1018 molecules of cholesterol 6.1 x 1018 molecules of cholesterolSUBJECT: CHEMISTRYShow step by step solution:A. Using mole ratio, convert each of the following grams to moles.1. 11.0 g C6H12O6 - 2. 18.0 g Ca(OH)2 B. Using mole ratio, convert each of the following moles to grams.1. 164.21 moles N2O4 2. 6.65 moles H3PO4 AVOGADRO’S NUMBER1. How many moles of gold are there in a 8.21x1016 atoms of gold? 2. How many molecules are there in 8.00 moles of glucose, C6H12O6? 3. How many moles are there in 1.20x1024 formula units of Calcium iodide? 4. How many oxygen molecules are present in 3.9 g of Oxygen (O2) PERCENT COMPOSITIONFind the percent composition of all the elements in the following compounds;1. Mg(NO3)2 2. CuBr EMPIRICAL FORMULA1. Find the empirical formula for a compound which contains 32.8% chromium and 67.2% chlorine. MOLECULAR FORMULA1. The empirical formula of a compound phosphorous and oxygen was found to be P2O5.The molar mass of this compound is 283.88 g/mol. What is the compound’s molecular formula?Avogadro's number is the number of particles in one mole (6.022 x1023 particles = 1 mol). How many molecules of water are present in a 4.5 mol sample of sodium chloride? Question 4 options: a) 2.7 x 1023 molecules b) 3.7 x 1025 molecules c) 4.5 molecules d) 2.7 x 1024 molecules Which of the following is the answer?
- Question 5 A) What is the answer to the following problem, reported to the correct number of significant figures? (8.000−7.009) / (10.00∗0.010000) A. 9.910 B. 9.91 C. 9.9 D. 0.9910 E. 0.99 B) Hydrates take the form: compound·nH2O. An unknown hydrate has a molar mass of 537 g/mol.If the anhydrate has a molar mass of 375. g/mol, what is the integer n in the hydrate. A. 5 B. 6 C. 7 D. 8 E. 97. C) Calculate the change in enthalpy for the following reaction: A + 3B→D ∆Hrxn=? Given: 3A + 12B→6C ∆Hrxn= 60.0 kJ 2B + 2D→4C ∆Hrxn= 60.0 kJ Express your answer in kJ. A. -20.0 kJ B. -10.0 kJ C. 0.0 kJ D. 10.0 kJ E. 20.0 kJFlorasulam is an herbicide with the chemical formula C12H8F3N5O3S. Answer the questions below concerning samples of Florasulam.[Note: Very large numbers requiring scientific notation can be entered as they appears on your calculator screen. 1.25×1022 would be entered as 1.25E22.]• How many moles of Florasulam are present in 30.00 grams of Florasulam? How many atoms of nitrogen are present in 30.00 grams of Florasulam?What is the empirical formula of strontium chloride in problem 5? Sr Cl Mass of element (in g) 1. 2.21 2. 1.79 Moles of element 3.______ 4.______ Moles of element/Smallest moles 5.______ 6.______ Multiplier 7.______ 7.______ Empirical formula SrCl2