What is its empirical formula

Assignment Help Chemistry
Reference no: EM13172613

An oxide of osmium (symbol Os) is a pale yellow solid. If 2.68 g of the compound contains 2.01 g of osmium, what is its empirical formula? (Type your answer using the format CO2 for CO2.)

Reference no: EM13172613

Questions Cloud

How many grams of glucose are in the final solution : The flask was then shaken until the solution was uniform. A 55.0-mL sample of this glucose solution was diluted to 0.500L . How many grams of glucose are in 100mL of the final solution?
Calculate ?s for the process : 15 g of steam at 373 K is added to 250g of H2O (l) at 298 K at constant pressure of 1 bar. Is the final state of the system steam or liquid water? Calculate ?S for the process.
What will the concentration be after five minutes : THE RATE CONSTANT FOR A CERTAIN REACTION IS K=1.40 * 10^-3 s^-1. if the initial reactant concentration was o.250 M, what will the concentration be after 5.00 minutes
What minimum mass of succimer : What minimum mass of succimer (C4H6O4S2) is needed to bind all of the lead in a patient's bloodstream? Assume that patient blood lead levels are 25 , that total blood volume is 5.0 L , and that one mole of succimer binds one mole of lead.
What is its empirical formula : An oxide of osmium (symbol Os) is a pale yellow solid. If 2.68 g of the compound contains 2.01 g of osmium, what is its empirical formula? (Type your answer using the format CO2 for CO2.)
State what is the ph of the final solution of hcl : what is the ph of the final solution and 10 ml of 0.100 m hcl is added to 40 ml of this buffer what is the ph
Which solutions will have highest electrical conductivity : Which of the following strong electrolytic solutions will have the highest electrical conductivity?
Which pairs of aqueous solutions will react when mixed : Which of the following pairs of aqueous solutions will react when mixed?
What is the molar mass of q : An unknown gas Q effuses 1.26 times as fast under the same conditions as Xe gas. What is the molar mass (g/mol) of Q?

Reviews

Write a Review

Chemistry Questions & Answers

  What will be the volume

neon has a volume of 445 mL when it is at a pressure of 719 mmHg. What will be the volume when the pressure is increased to 1122 mmHg

  What is the limiting reactant

3CuSO4 + 2Fe --> 3 Cu + Fe2(SO4)3 If you place .092 mol of iron filling in a solution containing .158 mol of CuSO4, what is the limiting reactant? How many moles of Cu will be formed.

  What is the partial pressure of helium in the mixture

a mixture containing 235 mg of helium and 325 mg of neon has a total pressure of 453 torr. what is the partial pressure of helium in the mixture?

  What are the phosphorus percentages of the monohydrate

MgNH4PO4 6 H2O loses H2O stepwise as it is heated. Between 40 and 60 C the monohydrate is formed, and above 100 C the anhydrous material is formed. What are the phosphorus percentages of the monohydrate and the anhydrous material?

  What volume of water must be added

Consider 48.5 mL of a solution of weak acid HA (Ka = 1.00 * 10-6), which has a pH of 4.350. What volume of water must be added to make the pH = 6.000?

  Explain type of intermolecular attractive force

What is the most important type of intermolecular attractive force that operate in each

  What was the final temperature

A 4.40 g nugget of pure gold absorbed 289 J of heat. The initial temperature was 21.0°C. What was the final temperature?

  What volume of 2.0 m naoh must be added

A solution contains 25 mmol of H3PO4 and 10. mmol of NaH2PO4. What volume of 2.0 M NaOH must be added to reach the second equivalence point of the titration of the H3PO4 with NaOH?

  Calculate the ph of a mixture

Calculate the pH of each of the following strong acid solutions: 2.17 x 10^-2M HNO3 (express using 3 decimal places) 0.320 g of HClO3 in 3.00L of solution (express using 3 decimal places)

  Determine the enthalpy of combustion of glucose

Apply Hess's Law to the 3 reactions above in order to determine the enthalpy of combustion of glucose 1. glucose + 6 ADP + 6Pi = 2 pyruvate

  What is the approximate na+ ion concentration

What is the approximate Na+ ion concentration in a 0.75 M Na2CO3 solution? a. 0.375 M b. 0.75 M

  Compute the expected ph from a test

Calculate the expected pH from a test solution made only with 2.0 mL of 2.5 M sodium acetate

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd