Q: solution of CaCl2 is made by dissolving 55.5g of CaCl2 in enough water to yield 0.750 L of solution.…
A: 1- First we will calculate the concentration of CaCl2 in 0.750L volume of the solution. moles of…
Q: How many equivalents of Mg2+ are present in a solution that contains 7.71 mol of MgCl,?
A: Magnesium chloride dissociate as ., MgCl2 ⇌ Mg2+ + 2Cl-
Q: What mass of salt in grams (g) is required to prepare 1.539 L ofD51/4NS solution? Report your…
A: We have to calculate the mass of the salt (NaCl) is required to prepare 1.539 L of D51/4NS solution.…
Q: How many grams of KNO3 would be needed to prepare a 275 g of a 6.3% KNO3 solution?
A: Given: Mass of solution = 275 g w/w% = 6.3% Weight percentage is expressed as follows, w/w% = mass…
Q: Draw a more accurate representation of one unit of KCl dissolved in water
A: When potassium chloride (KCl) dissolves in water, it gets dissociated into potassium and chloride…
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A: Mass percentage of an element in a compound/solution is given by the mathematical expression- mass…
Q: What is the concentration of 598.8 mL of solution that contains 23.9 g of KCl?
A:
Q: A 55-g sample of a gaseous fuel mixture contains 0.50 mole fraction propane, C3H3; the remainder of…
A: Mole fraction- ratio of number of moles of component (solute or solvent) present in solution to the…
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A: Given: Molarity of glucose solution = 1.77 M The volume of solution: 555mL To calculate: the mass of…
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A:
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A: Given, Mass of oxygen gas = 30.0 g Mass of nitrogen gas = 60.0 g Volume of the container = 82.0 L…
Q: What is the molarity of a solution containing 18.8 g of KCl in 229 mL of KCl solution?
A: Given,Mass of KCl = 18.8gVolume of KCl = 229mLThe moles of KCl is calculated using its molar mass…
Q: What is the molarity of a solution containing 17.2 g of KCl in 269 mL of KCl solution?
A: Molarity is defined as the moles of solute present per litre of solution Hence molarity = moles of…
Q: How much table salt should be added to 300 g water to lower its freezing point to -2.00°C? Follow…
A: Given, Mass of water = 300 g = 0.3 Kg Freezing point of solution (Tf(solution)) = -2.00 °C Amount…
Q: How many grams of glucose (C6H12O6, 180.16 g/mol) would be required to prepare 2.50 L of a 0.278 M…
A: The number of moles of glucose can be calculated as follows-
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A: The concentration of a solution in terms of weight % is defined as: Cwt=MsoluteMsolution×100 ... (1)…
Q: How many grams of NaCl are contained in 0.50 L of a 1.20 M solution?
A: The molar concentration is a measure of the concentration in a solution of a chemical species, in…
Q: How would you prepare a 0.5 M solution of sodium hydroxide? O add 20.0 grams of sodium hydroxide to…
A:
Q: What mass of 7.25% NaOH solution is needed to provide 43.0 g of NaOH? (Give answer with correct sig…
A: Given Weight % of solution = 7.25 % Mass of NaOH = 43 gram Mass of solution = ?
Q: How many mL of pure ethanol are in a 32oz bottle of 151 proof alcohol?
A: Answer: 714.51 ml
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A: Aerobic respiration is the cellular respiration which takes place in the presence of the oxygen gas.…
Q: What is the percent of water in Na2SO4 10H₂O?
A: Solution The %H2O in Na2SO4.10H2O is 55.9%
Q: What mass of water must be used to make 1.500 kg of 3.000 % ethanol?
A: The objective of the question is to find out the mass of water required to make a 3.000% ethanol…
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A:
Q: 200 ml in 1 m3 is how many PPM? 75 L of vapor in 2000 ft3 of vapor is how many PPM?
A:
Q: How many moles of HBr are present in 0.161 L of a 1.49 M solution?
A: Given : concentration of HBr = 1.49 M And volume of solution = 0.161 L
Q: Freezing Point, C O 0°C -75°C -10 -6°C -20 -36 °C -30 From the graph, what is the freezing point of…
A: The freezing point is the temperature required to convert the phase of a substance from the liquid…
Q: What mass of water is needed to prepare a 5.95 m alcohol solution containing 817 g of ethanol?
A: Number of moles of a chemical compound is used to measure the amount of the compound in the solution…
Q: 48. How many kilograms of H₂O must be added to 75.5 g of Ca(NO3)2 to form a 0.500 m solution?
A: Step 1: Calculation of the moles of calcium nitrate Given, mass of Ca(NO3)2 = 75.5 g we know, molar…
Q: 1. a. How many grams of potassium nitrate is added to 250.0 g of water to prepare a 15.0% potassium…
A:
Q: How many grams of calcium chloride (CaCl2) are in a 1 M calcium chloride solution?
A:
Q: How many grams of hydrochloric acid are contained in 2.00 L of 0.500 N solution?
A: Given : Normality of hydrochloric acid i.e HCl = 0.500 N And volume of solution = 2.00 L
Q: How many grams of glucose (C6H12O6, 180.16 g/mol) would be required to prepare 2.50 L of a 0.278 M…
A: Number of moles can be calculated from the given Molarity:
Q: AT WHAT TEMPERATURE WILL A SUCROSE BOIL IF IT CONTAINS 1.55 MOLES OF SUCROSE IN 650 OF WATER?THE KB…
A: The sudden rise in boiling point observed when one mole of solute, i.e., sucrose gets solubilized in…
Q: How many equivalents of Mg2* are present in a solution that contains 7.71 mol of MgCl2?
A: Equivalent is equal to the product of the no. of moles and the no. of cations. Number of atoms, ions…
Q: Ocean water contains 3.5% NaCl by mass. How much salt is in 467 g of seawater?
A: Ocean water contains 3.5 % NaCl by mass . How much Salt is in 467 g of seawater ?
Q: How many moles of glucose are in 4.76 L of a 3.4 M glucose solution?
A: Volume of solution = 4.76 L Molarity of solution = 3.4 M Molarity = (Moles) / (Volume of solution in…
Q: A gas sample has a pressure of 0.997 atm at a temperature of 21.3 °C. If the pressure decreases to…
A: Given, the pressure of the gas (P1)=0.997 atm temperature (T1)=21.3 °C =21.3+273…
Q: How many moles of NaCl would be present in 47 milliliters of a 3.20 molar solution?
A:
Q: How many grams of sodium chloride are contained in 2l of a 4% sodium chloride solution?
A: To solve this problem we will use the formula . % of NaCl = {mass of NaCl in grams / volume of…
Q: How many grams of NaCl would you need to add to 1.5 L of water to make 26 mM NaCl?
A: Molarity =. Number of moles / Volume in litres Number of moles = Volume*Molarity Weight of the…
how many calories of heat would be released by the freezing of 7g of liqid?
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