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.

Does howard university superscore act

You are getting ready to transport troops in a m1152 configured with cargo cover and troop seats which of the following should you do before starting out

Abag contains even and odd numbered balls in the ratio of 3: 7, respectively. for each of the following, what is the probability of drawing an even-numbered ball? the total number of balls is 240 and 30 of the odd-numbered balls are renumbered by multiplying the numbers by 4.