How many mles of na2so4 are needed

Assignment Help Chemistry
Reference no: EM13123671

Na2SO4 is dissolved in water to make 450.mL of a 0.250 M solution. How many mles of Na2SO4 are needed?

Reference no: EM13123671

Questions Cloud

Parametric equation of a line and point : Find the parametric equations for the line through the point P = (3, -4, 0) that is perpendicular to the plane 2x + 0y+ 5z = 1. Use "t" as your variable, t = 0 should correspond to P
Determine due dates on notes and bonds for classification : Review debt activity for a few days before and after year-end to determine whether transactions are included in the proper period. Determine due dates on notes and bonds for proper classification between current and long term debt.
Experience an unfavorable labor rate variance : Which of the following is the most probable reason a company would experience an unfavorable labor rate variance and a favorable labor efficiency variance?
Create confidence interval for population mean score : Afterward, each mouse is given a hyperactivity rating score. The mean score was x_bar = 14.9 and s = 2.8. Give a 95% confidence interval for the population mean score μ.
How many mles of na2so4 are needed : Na2SO4 is dissolved in water to make 450.mL of a 0.250 M solution. How many mles of Na2SO4 are needed
Solve demand for steak dinners : Maximizing Profit: Demand for Steak Dinners, The unit cost of producing a steak dinner at the Smalltown Inn is $6. If a restaurant charges p dollars for a steak dinner, customers will demand 200 - 5p steak dinners per week
Find chance that it will rain in nc that day : If it rains in Greenville on Monday, there is a 80% chance that it will rain in NC that day. What is the probability it will rain in at least one of the above states.
Illustrate what interest rate would firm want to refinance : Illustrate at what interest rates would the firm want to refinance? If the dividend yield drops to 8 percent, how long will it take before the present value of the interest savings exceeds the cost of refinancing?
Unfavorable materials quantity variance : There was a favorable materials price variance of $380 and an unfavorable materials quantity variance of $120. Based on these variances, one could conclude that:

Reviews

Write a Review

Chemistry Questions & Answers

  What is the average atomic mass of m

When M2S3(s) is heated in air, it is converted to MO2(s). A 3.700-g sample of M2S3(s) shows a decrease in mass of 0.207 g when it is heated in air.

  What was the initial temperature of the cu metal

What was the initial temperature of the Cu metal If the final temperature of the Cu-H 2 O mixture was at twenty five degree celsius? (The specific heat of copper = 0.377 J/(g°C).)

  Calculate the percent of each of the isotopes

Chlorine consists of two major isotopes with the following atomic masses: 35Cl (34.9689 amu) and 37Cl (36.9659 amu). The average atomic mass of chlorine is 35.4527 amu.

  Find change in the fraction of visibility for a person

Find the change in the fraction of visibility for a person from planet Krypton with x-ray vision in addition to visible spectrum.

  What is the maximum number of electrons

When a metal was exposed to light at a frequency of 4.54× 10^15 s-1, electrons were emitted with a kinetic energy of 3.10 × 10^-19 J.

  Determine the mass of copper sulfate

Determine the mass of copper(II) sulfate, CuSO4 will remain after removing all the H2O(water) from 74 grams of CuSO4 5H2O (Also called Blue Vitriol and Bluestone)?

  Determine the ph

Phosphorous acid, is an important compound in industry and agriculture, H3PO3(aq), is a diprotic oxyacid .determine the pH for each of the following points in the titration of 50.0 mL of a 1.5 M H3PO3(aq) with 1.5 M KOH(aq).

  What is the molarity of the sodium acetate in the solution

you add 1.65L of water to 112g of sodium acetate. what is the molarity of the sodium acetate in the solution

  Determine the limiting and excess reactant

Silicon Carbide is a hard substance used as an abrasive. it is prepared by heating SiO2 and carbon at high temperatures SiO2 + 3C = SiC + 2 CO determine the limiting and excess reactant.

  How many kilograms of chalcopyrite must be mined

The most common source of copper is the mineral chalcopyrite (CuFeS2) how many kilograms of chalcopyrite must be mined to obtain a 440 grams of pure copper.

  What is the empirical formula of a compound

What is the empirical formula of a compound that is composed of 1.67 g of cerium and 4.54 g of iodine.

  What is this speed in miles per hours

The speed needed to escape the pull of Earth's gravity is 11.3 km/s. What is this speed in mi/h.

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