A sample of diphosphorus pentoxide (P2O5) has a mass of 85.6 g. a) Find the molar...

A sample of diphosphorus pentoxide (P₂O₅) has a mass of 85.6 g.

a) Find the molar mass of diphosphorus pentoxide.

b) Determine the number of moles of diphosphorus pentoxide in the sample.

c) Determine the number of moles of oxygen atoms in the sample.

d) Determine the number of oxygen atoms in the sample.

Solutions

Expert Solution

queen_honey_blossom answered 1 year ago

Next > < Previous

Related Solutions

A 0.520 g sample of a diprotic acid with a molar mass of 255.8 g/mol is...

A 0.520 g sample of a diprotic acid with a molar mass of 255.8 g/mol is dissolved in water to a total volume of 23.0 mL . The solution is then titrated with a saturated calcium hydroxide solution. a. Assuming that the pKa values for each ionization step are sufficiently different to see two equivalence points, determine the volume of added base for the first and second equivalence points. b. The pH after adding 23.0 mL of the base was...

For the following reaction, 4.85 grams of water are mixed with excess diphosphorus pentoxide . The...

For the following reaction, 4.85 grams of water are mixed with excess diphosphorus pentoxide . The reaction yields 15.9 grams of phosphoric acid . diphosphorus pentoxide ( s ) + water ( l ) phosphoric acid ( aq ) What is the theoretical yield of phosphoric acid ? What is the percent yield for this reaction ?

For the following reaction, 5.29 grams of water are mixed with excess diphosphorus pentoxide . The...

For the following reaction, 5.29 grams of water are mixed with excess diphosphorus pentoxide . The reaction yields 13.3 grams of phosphoric acid . diphosphorus pentoxide(s) + water(l) phosphoric acid(aq) What is the theoretical yield of phosphoric acid? grams What is the percent yield for this reaction? %

A .435 g sample of a nonvolatile, nonionizable solute with a molar mass of 67.4 g/mol...

A .435 g sample of a nonvolatile, nonionizable solute with a molar mass of 67.4 g/mol is dissolved in 15.1 g of cyclohexane. Calculate the molar concentration of solute in the solution. Calculate the boiling point of the solution described. Calculate the freezing point of the solution described.

the density of the sample is 0.9977 g/mL and the molar mass of calcium carbonate is...

the density of the sample is 0.9977 g/mL and the molar mass of calcium carbonate is 100.0 g/mol. 2. Calculate the number of moles of calcium ions present in a 50.00 mL water sample that has a hardness of 75.0 ppm (hardness due to CaCO3). 3. If the 50.00 mL sample from problem 2 above was titrated with a 0.00500 M EDTA, what volume (in milliliters) of EDTA solution would be needed to reach the endpoint? If someone could show...

For the following reaction, 24.8 grams of diphosphorus pentoxide are allowed to react with 14.0 grams...

For the following reaction, 24.8 grams of diphosphorus pentoxide are allowed to react with 14.0 grams of water. diphosphorus pentoxide (s) + water (l) phosphoric acid (aq) What is the maximum amount of phosphoric acid that can be formed? What is the FORMULA for the limiting reagent? What amount of the excess reagent remains after the reaction is complete?

For the following reaction, 27.7 grams of diphosphorus pentoxide are allowed to react with 13.7 grams...

For the following reaction, 27.7 grams of diphosphorus pentoxide are allowed to react with 13.7 grams of water. diphosphorus pentoxide (s) + water (l) ----> phosphoric acid (aq) What is the maximum amount of phosphoric acid that can be formed? grams What is the FORMULA for the limiting reagent? What amount of the excess reagent remains after the reaction is complete? grams

For the following reaction, 24.5 grams of diphosphorus pentoxide are allowed to react with 13.3 grams...

For the following reaction, 24.5 grams of diphosphorus pentoxide are allowed to react with 13.3 grams of water. diphosphorus pentoxide (s) + water (l) -> phosphoric acid (aq) what is the maximum mass of phosphoric acid that can be formed? _____ grams what is the formula for the limiting reagent? ________________ what mass of the excess reagent remains after the reaction is complete? _______ grams

A 0.5065 g solid sample containing a mixture of LaCl3 (molar mass = 245.26 g/mol) and...

A 0.5065 g solid sample containing a mixture of LaCl3 (molar mass = 245.26 g/mol) and Ce(NO3)3 (molar mass = 326.13 g/mol) was dissolved in water. The solution was titrated with KIO3, producing the precipitates La(IO3)3(s) and Ce(IO3)3(s). For the complete titration of both La3 and Ce3 , 44.81 mL of 0.1252 M KIO3 was required. Calculate the mass fraction of La and Ce in the sample.

A 0.1276−g sample of a monoprotic acid (molar mass = 1.10 × 102 g/mol) was dissolved...

A 0.1276−g sample of a monoprotic acid (molar mass = 1.10 × 102 g/mol) was dissolved in 25.0 mL of water and titrated with 0.0633 M NaOH. After 10.0 mL of base had been added, the pH was determined to be 4.87. What is the Ka for the acid? Answer in scientific notation.

Subjects