Calculate the percent by mass of water in the hydrated

Assignment Help Chemistry
Reference no: EM13707199

Question- A 2.194-g sample of gypsum, a hydrated salt of calcium sulfate, CaSO4, is heated at a temperature greater than 170 degrees C in a crucible until a constant mass is reached. The mass of the anhydrous CaSO4 salt is 2.304 g. Calculate the percent by mass of water in the hydrated calcium sulfate salt. Show all work.

Please provide the answer of the given question on urgent basis

Reference no: EM13707199

Questions Cloud

What is the molecular formula of the compound : Question- the empirical formula of a certain compound is CHN. If the molar mass of this substance is 135 g/mol, what is the molecular formula of the compound
Prepare 2-methyl-2-propanol via a grignard : Question- How would you prepare 2-methyl-2-propanol via a Grignard with diethyl carbonate as your carbonyl source? Show all reagents.
Steric repulsion between methyl group in gauche conformation : Label each conformation as eclipsed or staggered and indicate which staggered conformation is either anti or gauche B) which is more stable, anti or gauche. C) What evidence is there for steric repulsion between methyl groups in the gauche conform..
Molecules consist of two iodine atoms and seven oxygen atoms : Question- Give the name and formula of the compound whose molecules consist of two iodine atoms and seven oxygen atoms.
Calculate the percent by mass of water in the hydrated : Question- A 2.194-g sample of gypsum, a hydrated salt of calcium sulfate, CaSO4, is heated at a temperature greater than 170 degrees C in a crucible until a constant mass is reached. The mass of the anhydrous CaSO4 salt is 2.304 g. Calculate the p..
Explain an ionic compound forms when calcium reacts : Question- An ionic compound forms when calcium (Z = 20) reacts with iodine (Z = 53). If a sample of the compound contains 1.3x10^19 calcium ions, how many iodide ions does it contain
Calculate the atomic mass of magnesium : Question- Magnesium has three naturally occurring isotopes, 24Mg (isotopic mass 23.9850 amu, abundance 78.99%), 25Mg (isotopic mass 24.9858 amu, abundance 10.00%), and 26Mg (isotopic mass 25.9826 amu, abundance 11.01%). Calculate the atomic mass o..
Calculate the number of moles of gas present : Question- A sample of nitrogen gas kept in a container of volume 2.3 L and a temperature of 32 oC exerts a pressure of 4.7 atm. Calculate the number of moles of gas present.
Calculate the relative amounts of h2po4- and hpo4(2-) : Question- Calculate the relative amounts of H2PO4- and HPO4(2-) that should be combined to produce a phosphate buffer at pH7. (pKa= 6.86 and molarity= 0.1 M)

Reviews

Write a Review

Chemistry Questions & Answers

  Define how many moles of potassium chloride

Cl2+2KBr yields 2KCl+Br2- how many moles of potassium chloride are produced from 119 g of potassium bromide

  Explain what is the theoretical yield in grams of c2h2

CaC2 + 2 H2O --> Ca(OH)2 + C2H2 If 100. g of CaC2 and 100. g H2O are mixed, what is the theoretical yield (in grams) of C2H2 that can be produced

  Define the phase diagram for acetic acid

Define the phase diagram for acetic acid given the following information triple point at 289.7K as well as 1.29kPa critical temperature = 590.7K critical pressure = 5.78MPa freezing point is 289.8K at 0.1MPa.

  A 750 kg patient is running a fever of 105degf and is

a 75.0 kg patient is running a fever of 105degf and is given an alcohol rub to lower the body temperature. if the

  Compute the theoretical yield and percent yield

camphor was reduced by an excess of sodium borohydride to make 1.3 g of isoborneol. Calculate the theoretical yield and percent yield for this reaction.

  Analysis the following set of ionization energy values

Examine the following set of ionization energy values for a certain element. How many valence electrons does an atom of the neutral element possess

  Compute the ph before any of the titrant

formic acid is titrated with 0.50 M sodium hydroxide, calculate the pH before any of the titrant (NaOH solution) is added and after 15.0 mL of the titrant has been added.

  Evaluate enthaply naoh for the solution process

A 9.55 gram sample of solid sodium hydroxide dissolves in 100.0 grams of water in a coffee-cup calorimeter, the temperate rises from 23.6 degrees Celsius to 47.4 degrees Celsius. Calculate enthaply( in kJ/mol NaOh) for the solution process.

  Explain how many milliliters of a stock hcl solution

Explain how many milliliters of a stock HCL solution labeled specific gravity 1.19 as well as assay 38% will be needed to prepare 2L of a 1.5N HCL solution

  Fluoroacetic acid has a pka of the acid

Problem- Fluoroacetic acid has a pKa of 2.59. What concentration of the acid is needed so that the [H+] is 2.0x10^-3 M

  Evaluate the entropy change of the transition

The enthalpy of the graphite -----> diamond phase transition, which under 100 kbar occurs at 2000K, is +1.9 KJ/mol. Calculate the entropy change of the transition.

  What is the final volume of the balloon

An inflated balloon has a volume of 0.55 L at sea level (1 atm) and is allowed to rise to a height of 6.6 km, where the pressure is about 0.40 atm.

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