Compute the mass (g) of calcium in the mixture

Assignment Help Chemistry
Reference no: EM13491954

A 29.2 g mixture of the compounds magnesium oxide (MgO) and calcium sulfide (CaS) is 82.1% by mass calcium sulfide . The compound calcium sulfide is 55.6% by mass calcium. Calculate the mass (g) of calcium in the mixture.

Reference no: EM13491954

Questions Cloud

What distance does the crate slide before stopping : A crate pushed along the floor with velocity slides a distance after the pushing force is removed. what distance does the crate slide before stopping
Find her acceleration on the rough ice : A speed skater moving across frictionless ice at 8.6 hits a 5.5 -wide patch of rough ice. She slows steadily, then continues on at 6.3 . What is her acceleration on the rough ice
Explain react with excess oxygen and produce : What mass of P4 is required to react with excess oxygen and produce 16.42 g of H3PO4, if the percent yield is 75.45%? P4 + 5 O2 + 6 H2O ® 4 H3PO4
What is his speed as he leaves the floor : Basketball player Darrell Griffith is on record as attaining a standing vertical jump of 1.2 m. What is his speed as he leaves the floor
Compute the mass (g) of calcium in the mixture : the compounds magnesium oxide (MgO) and calcium sulfide (CaS) is 82.1% by mass calcium sulfide . The compound calcium sulfide is 55.6% by mass calcium. Calculate the mass (g) of calcium in the mixture.
Determine the possible investment potential : As the representative from your accounting firm or practice, you are in charge of stock market analysis that will be presented to clients as part of professional consultation process.
Define the compounds contain chiral centers : Which of the compounds contain chiral centers? a.1-bromobutane b. 2-bromobutane c. 1,2-dibromobutane d. 1,3-dibromobutane e.1,4-dibromobutane f. 2,3-dibromobutane
Explain straight-line method : A copy machine acquired with a cost of $1,410 has an estimated useful life of 4 years. It is also expected to have a useful operating life of 13,350 copies. Assuming that it will have a residual value of $75.
Find the work is done by the electric force : A charge of 27.0nC is placed in a uniform electric field that is directed vertically upward and that has a magnitude of 4.00×104 N/C. What work is done by the electric force

Reviews

Write a Review

Chemistry Questions & Answers

  Explain the carbonic acid-bicarbonate buffer system

in the blood plasma, pH is maintained by the carbonic acid-bicarbonate buffer system. a)how is pH maintained when acid is added to the buffer system? b)how is pH maintained when base is added to the buffer system

  Identify the incorrect names or

identify the incorrect names or formulas.calciumii oxidehintaluminum

  Compute the molar concentration of ferrocyanide

Calculate the molar concentration of ferrocyanide in a solution of 0.031 M ZnSO4 saturated with Zn2Fe(CN)6. ZnSO4 will be completely dissociated into Zn2+ and SO42-

  Explain the piece of zinc needs to be bigger

at room temperature more of the collisions have sufficient energy to produce a reaction. the piece of zinc needs to be bigger at 4 deg c.

  Assuming no other changes how would it affect the rate if

1. consider the sn2 reaction of butyl bromide with oh- ion.ch3ch2ch2ch2br oh- ? ch3ch2ch2ch2oh br-assuming no other

  Compute the theoretical ph of the solution

Calculate the theoretical pH of the solution when beginning with 10.00 mL of 0.200 M HCl and dilute it to 50.00 mL with distilled water.

  A carbon tetrachloride react with oxygen to produce chlorine

Carbon tetrachloride may react with oxygen to produce chlorine and carbonyl chloride.2CCl4(g) + O2(g) 2COCl2(g) + 2Cl2(g); Kc = 9.9 × 1051What is Kc for the following equilibrium?COCl2(g) + Cl2(g) CCl4(g) + ½O2(g)

  Explain how to calculate the vapor pressure of a solution

The vapor pressure of water at 40.0 degrees celcius is 55.32 mmHg. Calculate the vapor pressure of a solution of 1.50m K2CO3 at this temperature (assume 100% dissociation)

  How many grams of co2 (g) are theoretically produced

In an excess amount of oxygen, how many grams of CO2 (g) are theoretically produced from the combustion of 901.0 g of glucose [C6H12O6 (s), molar mass of 180.2 g/mol]?

  Calculate the final temperature

30.0 mL of water at 24.5 °C was mixed with 40.0 mL of water at 40.0 °C. If the specific heat of water is 4.184 J/g °C and no heat was absorbed by the calorimeter, then the final temperature is _____ °C. (Report to the proper number of significant ..

  Explain how many moles of naoh per liter of water

How many moles of NaOH per liter of water are needed for this pH adjustment. (pK1=6.3 and pK2=10.3). How many moles of lime (Ca(OH)2) would be required

  Explain name the enzymes and describe their mechanisms

Name the enzymes and describe their mechanisms of action that help reshuffle disulfide bonds or catalyze the cis-trans peptide prolyl isomerization

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