Determine how many grams of precipitate (solid) will form when 621 g of magnesium chloride react with excess silver nitrate in the reaction
2 AgNO3(aq) + MgCl(aq) - 2 AgCl(s) + Mg(NO3)2(aq)
NB: Convert to moles, then use your preferred method to get moles AgCl produced
from the given moles of MgCl, then convert moles AgCl produced to grams AgCI.

What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.

The energy that powers a hurricane is derived from

Which of the following substances is the most soluble in water? a. sodium chloride b. methane c. bromine d. carbon