How many moles of Na:SO4 are in a 0.140 m aqueous solution that was prepared with 2.30 kg of water ?

Q: What is the percent concentration (m/m) of a KBr solution prepared by combining 15.0 g of KBr with…

A: Given: Mass of KBr = 15.0 g [solute] Mass of H2O = 150.0 g [solvent] Mass of KBr + H2O = 165.0…

Q: How many grams of solute are needed to prepare  2.81  ×  102  g of  0.900% (mass/mass)  NaCl

A: Answer: In this question mass of solution and mass% of NaCl is given to us and we have to find out…

Q: How many moles of lead are equivalent to 9.51 × 1 0 3 g of Pb?

A: Moles =given mass/ molar mass

Q: ind the molarity of a 40.0% by mass aqueous solution of sulfuric acid, H2SO4, for which the density…

A: The molarity is the concentration term which is defined as the number of moles of solute present in…

Q: What is the mass % of NaCl in a mixture that is prepared by dissolving 2.40 g of NaCl in 65.5 g of…

A: Given data is as follows: The mass of NaCl = 2.40 g The mass of H2O = 65.5 g The mass % of NaCl = ?…

Q: Al4C3 + 12 H2O -> 4 Al(OH)3 + 3CH4 how many moles of water are needed to react with 100. G of…

A: The reaction given is Al4C3 + 12 H2O ----------> 4 Al(OH)3 + 3 CH4  Given : mass of Al4C3…

Q: What volume of a 1.50 M lithium hydroxide (LiOH) would contain 0.45 moles of LiOH?

A:

Q: What is the mass of solute in 0.150 L of 0.420 M glucose (C6H12O6).

A: We will use the formula: Number of moles of solute  =  Volume of solution (L) * Molarity (M) Number…

Q: how many moles of Na2SO4 are in a 0.140 m aqueous solution that was prepared with 2.30 kg of water

A: Since, Molality is the number of moles of solute dissolve in one kilogram of the solvent. Thus,

Q: what is the molarity of a 2.2 L solution containing 41 g of KCN?   2) how many grams of NaCl are…

A: Molarity of a solution = wM×V        ...... (i) where, w = mass of solute in g,            M = molar…

Q: What is the molarity of a 1.14 m solution of fructose (formula mass = 180.16 g/mol) if the density…

A: Molarity is the no. Of moles of solute dissolved in per litre of solution, while molality is no. Of…

Q: How many moles of HCl are there in 75.0 mL of 0.485 M HCl?

A:

Q: How many moles of NaOH are present in 12.5 mL of 0.210 M NaOH?

A:

Q: What is the concentration (M) of CH3OH in a solution prepared by dissolving 3.96 g of CH3OH in…

A:

Q: How many moles of HCl are there in 75.0 mL of 0.490 M HCl?

A: Moles of HCl can be calculated from below equation:

Q: How many moles of HCl are there in 75.0 mL of 0.390 M HCl?

A: Given that, Volume of HCl in mL = 75 mL  but 1 L = 1000 mLVolume of HCl in L = (75/1000) = 0.075 L…

Q: What is the molarity of a solution made by dissolving 1.00 mole of FeCl3 in 250.0 mL of water?

A: The answer is given below,

Q: How many moles of NaOH are present in 31.5 mL of 0.240 M NaOH?

A:

Q: Calculate the molarity (M) of 151.6 g of H2SO4 in 1.095 L of solution.

A: Given :  Mass of H2SO4 = 151.6 gm  Volume of H2SO4 solution = 1.095 L  Molarity is defined as number…

Q: How many moles of glucose (C6H12O6) are in 250. mL of 0.123 M glucose?

A:

Q: Calculate the molarity (M) of 153.3 g of H2 SO4 in 1.065 L of solution.

A: Mass of H2SO4 = 153.3g. Volume of solution = 1.065L. Moles of H2SO4 can be calculated as follows:

Q: How many mols of each type of ion are present in 455 ml of 3.4 M ammonium phosphate?

A:

Q: How many g of NaHCO3 are required to make 59.9 mL of a 0.511 M solution? Give your answer to 3…

A:

Q: What are the total number of moles of H2SO4 needed to prepare 1.9 litres of a 4.6 M solution of…

A:

Q: What is the molarity of a solution that contains 0.215 moles KOH in 0.350 L of solution?

A: We have to find the molarity of a solution that contains 0.215 moles KOH in 0.350 L of solution.

Q: How many mL of 6.86 M NaOH are needed to prepare 328 mL of 0.172 M NaOH?

A:

Q: What is the number of moles of water produced in the reaction of 50 0 mL of 1.0 M HCl and 50.0 mL…

A: In the given question we have to calculate the moles of water produced in the given reaction. First…

Q: What is the molarity of a solution that contains 0.170 moles KOH in 0.350 L of solution?

A: Molarity of a solution is given by the number of moles per liter of the solution.

Q: How many moles of NaOH are present in 15.0 mL of 0.120 M NaOH?

A: We have 15 ml solution, 0.120 M as concentration ,we have to calculate the moles of NaOH present.

Q: What is the concentration (M) of sodium ions in 4.57 L of a 0.847 M Na3P solution?

A:

Q: Consider the fictional element A (which has a molar mass of 7.00 g/mol) and the fictional element D…

A: Given: The molar mass of element A and B is 7.00 g/mol and 13.00 g/mol, respectively. The mass of…

Q: How many moles of K2SO3 are present in 237 mL of 1.21 M solution?

A: Given that : Volume of solution = 237 mL = 0.237 L Molarity = 1.21 M

Q: How many moles of Na+ are present in 343 mL of a 1.27 M solution of Na2SO4?

A: Moles = molarity × volume (L) Number of moles of Na2SO4 = 1.27 M × 0.343 L = 0.43561 mole

Q: What volume (in L) of 1.60 M Na3PO4 would be required to obtain 0.870 moles of Na+ ions?

A: Molarity of Na3PO4 =  1.60 M Moles of Na+ ion = 0.870 moles Volume of Solution required = To be…

Q: How many grams of NaOH would you need to make 3,243 mL of a 7 M NaOH solution (m.w. = 40.00 g/mol)?

A: Molarity is defined number of moles of solute is dissolved in one litre of solutions

Q: How many mmol of  NaOHNaOH  will react completely with 50. mL of 2.0 M H2C2O4

A:

Q: 2) If iron(II) sulfate is heated too strongly, the following reaction will occur FeSO4(s) FeO(s) +…

A: Given:Heated a sample of Determine what will happen to the experimental percent water.Dehydration is…

Q: What volume of 2.50 M NaOH (40.00 g/mol) contains 0.100 mole of NaOH?

A: Volume of NaOH:

Q: How many moles of NaOH are present in 29.5 mL of 0.160 M NaOH?

A: Definition: Molarity is a concentration term for a solution. The molarity of a given solution is…

Q: How many moles of KCl are there in 50.0 mL of 0.188 M KCl?

A: Molarity is defined as the number of moles of solute present per litre of solution.