Chemistry Answers

78.0 g of nonionizing C6H12O6 are dissolved in 300 g of H2O the Kb = 0.512 0C/m. What is the molar mass of water C6H12O6 ?

Calculate the equivalent weight in phosphoric acid in the reaction H3PO4 + 2NaOH ----> Na2HPO4 + 2 H2O

What mass of hydrogen peroxide must decompose to produce 65.88 g of H2O

Calculate the mass of a sample of CO2 with a volume of 0.575 at 50°C and 115 kPa

A gas has a volume of 28 liters at STP. Calculate the pressure if the temperature is increased to 35°C and the volume is decreased to 15 liters

45.2g of Iron metal reacts with excess Oxygen gas to produce 58.1g of Fe 3 0 4 a. What is the theoretical yield of F*e_{3}*O_{4} ? b. What is the percent yield of this reaction?

In an experiment, 57.4 g of iron (II) chloride solution reacts with 45.3 g of sodium hydroxide solution.

FeCla(an) + 3NaOH(an) -› Fe(OH) scs) + 3NaC|(ag)

Which reactant is the limiting reagent?

How much (in grams) of each product forms?

How much of the excess reagent (in grams) will be leftover after the reaction is complete?

When a solution containing excess Sodium sulfate is added to a second solution containing 3.18 g of Barium nitrate, Barium sulfate precipitation. a. Calculate the theoretical yield of barium sulfate. b. If the actual yield is 2.69 g. Calculate the percent yield.

45.2g of Iron metal reacts with excess Oxygen gas to produce 58.1g of

Fe304

a. What is the theoretical yield of Fe304? b. What is the percent yield of this reaction?

When a solution containing excess Sodium sulfate is added to a second solution containing 3.18 g of Barium nitrate, Barium sulfate precipitation. a. Calculate the theoretical yield of barium sulfate. b. If the actual yield is 2.69 g. Calculate the percent yield.