What would be expected mass of the cooled dehydrated salt

Assignment Help Chemistry
Reference no: EM13120889

If a 2.743g sample of MgSO4.7H2O were heated strongly,what would be the expected mass of the cooled dehydrated salt?(use M=246.471gmol-1 as molar mass of MgSO4.7H2O)

Reference no: EM13120889

Questions Cloud

Illustrate what is the maximum amount of before-tax salary : Lara's employer has a 40 percent marginal tax rate. Ignoring payroll taxes, illustrate what is the maximum amount of before-tax salary Lara would give up to receive health insurance?
Illustrate what is the maximum amount of before-tax salary : Lara's employer has a 40 percent marginal tax rate. Ignoring payroll taxes, illustrate what is the maximum amount of before-tax salary Lara would give up to receive health insurance?
Regular tax and tentative minimum tax : If joe and Jill choose to accelerate 50,000 of additional income into the current year, how much will their (a) regular tax and (b) tentative minimum tax increase? Joe and Jill's marginal tax rate is 35%.
Find standard deviation of the number of houses sold : Its probability distribution is as follows. Find the standard deviation of the number of houses sold. A. 2.25 B. 2.62 C. 1.62 D. 6.86 E. 4.45.
What would be expected mass of the cooled dehydrated salt : If a 2.743g sample of MgSO4.7H2O were heated strongly,what would be the expected mass of the cooled dehydrated salt
Why would they care about current earnings : If investors are truly interested in knowing a company's future cash flows, why would they care about current earnings?
Information about displacement equation : A mortar shell is s feet above the ground after t seconds, where s=f(t)= -16t + 510t +63. Find the height of the shell 15 seconds after it is fired.
Illustrate what effect if any would prepaying the bonds : Management is considering using $3,000,000 of excess cash to prepay $3,000,000 of outstanding bonds. Illustrate what effect, if any, would prepaying the bonds have on the company's debt-to-equity ratio?
Appropriate decision using mean and standard deviation : The last sample showed a mean and standard deviation of 3.55 and 0.08 inches, respectively. Using α = 0.05, the appropriate decision is?

Reviews

Write a Review

Chemistry Questions & Answers

  What is the % nabr in the sample

The solution of the question , a 0.3172 g sample containing only KCl and NaBr is dissolved in 50ml water and titrated with 0.1120M AgNO3 , requiring 36.14ml to reach the end point.

  What is the density of a sample of ammonia gas

what is the density of a sample of ammonia gas, NH3, if the pressure is .928 atm and the temperature is 63.0 C?

  What is the empirical formula for butyric acid

A 0.440 g sample of butyric acid (an organic acid consisting of C, H, and O atoms) is combusted in excess oxygen, yielding 0.882 g CO2 and 0.360 g H2O.

  Calculate the molarity of the hcl solution

A sample of 0.0020 mole of HCl is dissolved in water to make a2000-mL solution. Calculate the molarity of the HCl solution,the [H3O+], and the pH.

  Determine how many liters of o2 gas should be mixed

Determine how many liters of O 2 gas should be mixed at constant temperature and pressure?

  How many grams of potassium chloride can be produced

For the reaction represented by the equation Cl2+2KCl+ Br2, how many grams of potassium chloride can be produced from 300. g each of chlorine and potassium bromide.

  Determine the mass of cr

Determine the mass of Cr 3 + in the original solution if The total mass of the precipitate = 49.6 .

  Calculate the heat involved in the reaction

1.500 g of Mg(s) was combined with 125.0 mL of 1.0 M HCl. The initial temperature was 25.0oC and the final temperature was 72.3oC.

  Find the volume of feso4 solution

Find the volume of FeSO4 solution - What volume of 0.200M FeSO 4  solution would be required to react with 20.0mL of 0.250M KMnO 4 according to the following equation?

  Compute the percentage of h2o in the kernel of corn

When you heat up popcorn, it loses water explosively and  it pops. suppose a kernel of corn, weighing 0.125 grams weighs only 0.106 grams after popping.

  Compute the ka for the acid

Compute the Ka for the acid if the pH of the resulting solution = 6.36. and determine the pH of the resulting buffer

  What is the molality of a solution

What is the molality of a solution that is composed of 265 g of acetone ((CH3)2CO) dissolved in 177 g of water.

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