graph of melting temperature (°C) versus percent stearic acid by mass

Q: Two reasons why experimental value for the percentage of water in CuSO4· 5 H2O is different from the…

A: The percentage of water in hydrated salts are calculated as:

Q: What is the molarity of 250.0 mL of a solution that contains 27.9 g of C3H7OH?

A:

Q: What’s the concentration of a solution that has 0.930 moles of blue copper (II) nitrate dissolved in…

A:

Q: Calculate the percentage by mass of water in magnesium sulfate heptahydrate, MgSO4•7H2OEnter your…

A: MgSO4.7H2O is also known as Epsom salt and it contains 7 molecules of water as water of…

Q: How many moles are in 78.9g of HCl?

A:

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: When 65 g of rubbing alcohol is mixed with 35 g of water, the resulting solution has an alcohol mass…

A: The mass of rubbing alcohol is = 65 g The mass of water is = 35 g The mass of solution is = 35 g+ 65…

Q: What is the theoretical yield of Pl3 if 96.0 g of I, are reacted with an excess of phosphorus…

A: When stoichiometric coefficient results in the equal number of atoms of each element on both the…

Q: Calculate the mass of HCl needed to prepare 4 L of a 0.5 M solution.

A: Molarity is defined as the moles of a solute per liters of a solution. Molarity is also known as…

Q: What is the percent by mass of a sodium hydroxide (NaOH) solution made by adding 83 grams of sodium…

A: Mass percentage of an element in a compound/solution is given by the mathematical expression- mass…

Q: Calculate the moles of phenol from a solution that contains 153.2g of phenol (C6H5OH) and 255.4 g of…

A: Mass  of Phenol = 153.2 g Molar Mass of phenol = 94.11 g mol-1

Q: Calculate the molarity of 5.0 L of solution containing2.5 mol HNO3.

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

Q: Calculate the percent by mass of water in magnesium sulfate heptahydrate

A:

Q: What is the molarity of a solution that contains 0.180 moles KOH in 0.350 L of solution?

A: Applying formula of molarity M= n /V

Q: 3. Develop an ICE Chart for the dissociation of KHT(s) in water.

A:

Q: Calculate the mass of HCl needed to prepare 2 L of a 0.1 M solution.

A: Molarity is defined as no. of moles present in liter of the solution.

Q: What is the mass percent of the solutions that contains 50 g solute and 150 g solvent?

A:

Q: molarity

A:

Q: What's the theoretical percentage water in Chromium (III) chloride hexahydrate?

A: The theoretical percentage of water in hydrated salts are calculated as:

Q: What is the mass percent of water in nickel(II) nitrate hexahydrate?

A: The compound given is nickel(II) nitrate hexahydrate. From the name we can see that the compound…

Q: Calculate the volume of concentrated sulfuric acid necessary to prepare 240 mL of 3M H2SO4

A: Molarity is defined as “the mole of the solute per unit volume of the solution”. It is represented…

Q: How many hydrogen atoms are in 1.0kg of water?

A:

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…

Q: How many 500mg tablets of erythromycin are required to prepare 240 mL of a solution of erythromycin…

A:

Q: Calculate the number of SO2SO2 molecules in 5.33 molmol of SO2SO2.

A: Know values are: Molecular wt. of SO2 = 64 g/mol mass of SO2= 5.33 mol  The conversion factor is…

Q: Calculate the weight of a 50% NaOH (wt) solution required to prepare 500ml of 0.1 M of NaOH

A:

Q: How many grams of calcium chloride (CaCl2) are in a 1 M calcium chloride solution?

A:

Q: Determine the molarity of an aqueous that is 14.5% urea by mass. The molar mass of the urea is 60.06…

A:

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 ?