Describe mgcl2.6h2 loses a portion of water when it is dried

Assignment Help Chemistry
Reference no: EM13247977

A sample that has the formula MgCl2.6H2O loses a portion of water when it is dried in an oven but undergoes no other changes. If the student started with 10.000 g of the compound, and ends with a residue that weighs 7.342 g whats the formula of the residue?
a. MgCl2.H2O

b. MgCl2.2H2O

c. MgCl2.3H2O

d. MgCl2.4H2O

e. MgCl2.5H2O

Reference no: EM13247977

Questions Cloud

What are the most commonly used quantitative criteria : What are the most commonly used quantitative criteria to evaluate strategies? Give several examples of these criteria.
Find the crickets instantaneous velocity : The position of a jumping cricket is described by the equation: x=10t-4.0t^2 What is the crickets instantaneous velocity at t=0.2 seconds
Compute the strain : A specimen of aluminum having a rectangular cross section of 15 mm x 18 mm is pulled in tension with 55,000 N force, producing only elastic deformation. Calculate the strain
Determine the speed of sound in the substance : A 563 Hz sound wave travels through a substance. The wavelength of the sound wave is measured to be 2.9 meters
Describe mgcl2.6h2 loses a portion of water when it is dried : A sample that has the formula MgCl2.6H2O loses a portion of water when it is dried in an oven but undergoes no other changes. If the student started with 10.000 g of the compound, and ends with a residue that weighs 7.342 g whats the formula of th..
Use gauss law to find the electric field in the space : Use gauss law to find the electric field in the space surrounding an infinite line of the charge with a uniform charge density
Calculate the fuel utilization factor : Calculate the fuel utilization and infinite multiplication factor for a fast reactor consisting of a mixture of liquid sodium and plutonium
Find the capacitance of this second capacitor : A 270 pF capacitor is charged to a potential difference of 60 V, and the charging battery is disconnected. Calculate the dielectric constant of the inserted material
Explain what is tetraphosphorous trisulfide : The head of a strike anywhere match contains tetraphosphorous trisulfide, P4 S3. In an expriment, a student burned this compound in an excess of oxygen and found that it evolved 3677 KJ of hea per mole of P4S3 at a constant pressure of 1 atm.

Reviews

Write a Review

Chemistry Questions & Answers

  Explain cb analysis and calculate system ph

By appropriate K, MB, and CB analysis, calculate system pH and the amount of CaCO3(s) remaining on establishment of EQ. Show all pertinent work except arithmetic. (Assume a constant liquid-phase volume of 1.0 L.)

  Explain an ideal monatomic gas is compressed isothermally

A 1.00-mol sample of an ideal monatomic gas is compressed isothermally and irreversibly in one step from 2.50 atm to 6.50 atm at 300.0 K. Calculate G for this process

  Define what is the rate constant for the reaction

Cycloprpane decomposes in a first-order reaction at 500 C If the cyclopropane concentration is .670 M at the start of the reaction and is .367 M after 900 s, what is the rate constant for the reaction

  Explain temperature of the helium inside the cylinder

Calculate the final temperature of the helium inside the cylinder. Assume helium to be an ideal gas with Cp=(5/2)R.

  Define cobalt metal in a barium iodide solution

Use the activity series to determine if a single replacement reaction can be seen to occur. If a reaction occurs, write the net ionic equation. a) Cobalt metal in a barium iodide solution b) Tin metal in a copper bromide solution

  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

  Explain what is the maximum amount of ethanol

What is the maximum amount of ethanol (in millimoles) that could theoretically be produced under the following conditions?

  What will be its volume at 278 degrees celcius

a balloon is filled with helium. its volume is 5.9 at 26degrees celcius. what will be its volume at 278 degrees celcius?

  What mass of nacl must be dissolved

What mass of NaCl must be dissolved in 65.0 grams of water to lower the freezing point by 7.50 °C? The freezing point depression constant, Kfp, for water is -1.86 °C/m. Assume the van't Hoff factor for NaCl is 1.87.

  What is the specific heat of the unknown substance

35.5 grams of an unknown substance is heated to 103.0 degrees Celsius and then placed into a calorimeter containing 100.0 grams of water at 24.0 degrees Celsius.

  Determine the boiling point of octane in colorado

Calculate the mass in grams for a sample of Al that absorbs 1.70kJ when the temperature increases from 56 degree Celsius to 177 degree Celsius?

  Calculate the ph of solution resulting from mixing together

Calculate the pH of a solution resulting from mixing together the following: a) 37ml of HCL 0.1M+33ml of NaOH 0.03M b) 55ml of HNO3 0,7M+88ml of KOH 0.8M c) 170 ml of H2SO4 0,44M_29ml of NaOH 1.2M d)76 liters of HBr 0.01M+2 liters of Mg(OH)2 2.1M.

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