a 12.00g sample of mgcl2 was dissolved in water. 0.2500mol of agno3 was required to precipitate all the chloride ions from the solution. calculate the purity (as a mass percentage) of mgcl2 in the sample.

When graphing a linear equation that is written in the form y=mx+b, the variable m represents the y-intercept. assuming that b> 0, which of the following best describes how reversing the sign of b would affect the graph? a) the new line will be shifted down b units b) the new line will be shifted down b x 2 units c) the new line will be a perfect reflection across the x-axis d) the new line will be a perfect reflection across the y-axis

In her article "why should i vote? " stephanie goggin crafts a well-organized and coherent argument. she states that every person of voting age who is registered should vote. she also argues that if you are not registered to vote, you should be. in conclusion, goggin's argument is laid out in a thoughtful and thorough way that is convincing to readers. which element is missing from this evaluation?

All of the following are jobs that you can obtain after training at a vocational school except: a. medical technician. b. electrician. c. lawyer. d. hotel manager.