A scientist wants to make a solution of tribasic sodium phosphate, Na3PO4Na3PO4, for a laboratory experiment. How many grams of Na3PO4Na3PO4 will be needed to produce 375 mLmL of a solution that has a concentration of Na+Na+ ions of 0.800 MM ? Express your answer to three significant figures and include the appropriate units.

Q: A 5.0 g sample of NaCl is dissolved in enough water to give 500 mL of solution. What is the Na+ ion…

A: We have been given volume of NaCl solution in millilitres , mass of NaCl and we have been asked to…

Q: At 20°C, an aqueous solution that is 5.00% by mass in ammonium chloride has a density of 1.0138…

A: Molarity is a concentration term for a solution. The molarity of the given solution is defined as…

Q: The total volume of 0.25 M H2SO4 used was 27.9 mL. Calculate what volume of 5 M ammonia solution…

A: Molarity of H2SO4 = 0.25 MMolarity of NH3 = 5 M

Q: A normal level for sodium ion (Na+Na+) in human blood is 0.140 MM. How many grams of sodium ion are…

A: Given ->  Concentration of Sodium ion = [Na+] = 0.140 M  Volume= 75.0 ml = 0.075 L (1L = 1000ml)…

Q: A 7.92 mL sample of MgCl2 aqueous solution was diluted to a volume of 27.3 mL. If the chloride ion…

A: Given,volume of original MgCl2 aqueous solution = 7.92 mLVolume of MgCl2 solution after dilution =…

Q: I add 2.00 g NaCl and 6.42 g BaCl₂ to a a container. You can assume that both of these salts are…

A:

Q: What is the molar concentration of Cr3+ ion in an aqueous solution of 0.15 M Cr2(SO4)3?  Write your…

A: Concentration of Cr2(SO4)3=0.15M Concentration of Cr^3+=?

Q: In the laboratory you dilute 4.36 mL of a concentrated 6.00 M nitric acid solution to a total volume…

A:

Q: Calcium nitrate  (Ca(NO3)2 ; MM =164.0878 g/mol)) dissolves in cold water to the extent of 266 g per…

A: Given; Molar mass of Ca(NO3)2 = 164.0878 g/molMass = 266gVolume = 100mL = 0.100LNO3- = ?

Q: If exactly one molecule of solute is present in 1.001.00 L of solution, what is the concentration of…

A: We know ; 1 mol of Solute = 6.022 × 10²³ Molecules   * Molarity of Solution = Moles of Solute /…

Q: Potassium hydrogen phthalate is a solid, monoprotic acid frequently used in the laboratory to…

A: Given, Molarity of barium hydroxide solution = 0.281 M = 0.281 mol/L Volume of barium hydroxide…

Q: Calculate the final molarity of ammonium cation in the solution. You can assume the volume of the…

A: See answer below.

Q: The concentration of SO42– ions in a 45.0 mL sample of seawater is determined by adding a solution…

A: Given information: Mass of barium sulfate = 0.315 g Volume of sample = 45.0 mL or 0.045 L

Q: Ethylene glycol is the primary component in antifreeze. How many grams of ethylene glycol…

A: Volume of solution = 163 mL  Volume of solution in L = 0.163 L  Molarity of solution = 3.108 M  We…

Q: 1. What are the normality and molarity of a solution prepared by dissolving 8.050g Ba(0H)2· 8H20 in…

A: Molar mass of Ba(OH)2 . 8H2O = 315 g/mol  Volume = 1500 ml = 1.5 L

Q: In the laboratory you dilute 4.49 mL of a concentrated 6.00 M nitric acid solution to a total volume…

A: Given, Volume of nitric acid = 4.49mL Molarity of nitric acid = 6.00 M

Q: A scientist wants to make a solution of tribasic sodium phosphate, Na3PO4, for a laboratory…

A: Solution In chemistry, concentration refers to the number of a substance in a very outlined area.…

Q: 0.3120 g sample of potassium hydrogen phthalate is dissolved in 100.0 mL of water. If 25.60 mL of…

A: Weight of potassium hydrogen phthalate = 0.3120 g Volume of water = 100.0 ml = 0.100 L  (1 L =…

Q: How many millilitres of 0.450 mol L−1 H2SO4(aq) are required to completely neutralize 46.7 mL of…

A: The objective of this question is to find out the volume of 0.450 mol/L H2SO4(aq) required to…

Q: A chemist prepares a solution of iron II  bromide    FeBr2    by measuring out  1.0g  of  FeBr2…

A: The molarity of a solution represents the number of moles of solute present in one liter of a…

Q: You are given a solution of chlorophyll that contains 132mg chlorophyll (a chemical formula of…

A: Molarity of chlorophyll solution can be calculated as follows

Q: A sample of seawater from a tidal estuary was found to contain a concentration of 683 mg of chloride…

A: The objective of this question is to calculate the molarity of the chloride ion in a sample of…

Q: How many millilitres of 0.590 mol L−1 H2SO4(aq) are required to completely neutralize 28.1 mL of…

A: The balanced chemical equation for the reaction between sulfuric acid (H2SO4) and potassium…

Q: 40.00 mL of a solution of MgCl2 with a molar volume concentration of 0.933 mol/L is mixed with 100.0…

A: Molarity (M) : The number of moles of a solute dissolved in 1 L (1000 ml) of the solution is known…

Q: A solution was made by dissolving 1.3 g of MgSO4 ● 7 H2O in 50 mL of water. Calculate the molarity…

A:

Q: A chemist prepares a solution of magnesium fluoride (MgF2) by measuring out 0.0553 g of magnesium…

A: Concentration in mol/L = Number of mols of solute/Volume of solution (L) Number of mols =mass/molar…

Q: A sample of pure acetyl salicylic acid had a mass of 0.268 grams. It was dissolved in NaOH and…

A: Given Mass of aspirin = 0.268 g Molar mass of aspirin = 180.2 g/mol Volume of solution = 500.00 ml =…

Q: A student prepares a solution by dissolving 7.46 g of solid KOH in enough water to make 550.0 mL of…

A: A strong base dissociates in the solution completely. KOH is a strong base which gives potassium…

Q: A sample of seawater from a tidal estuary was found to contain a concentration of 559 mg of chloride…

A:

Q: A sample of seawater from a tidal estuary was found to contain a concentration of 559 mg of chloride…

A: