1 ba+2 br——>1 babr2
u just have to make sure u have the same number of each type of atom on either side of the equation:)
The correct answer is B. balance
The number of moles of one substance given the amount in mass can be calculated by the use of the molar mass. This is the mass of a compound per 1 mol of the said substance. For, KCl the molar mass is 74.55 g/ mol
148 g / 74.55 g/mol = 2 mol KCl
Hope this answers the question. have a nice day.
Answer:
The answer is aluminum foil.
