moles = grams/molar mass
There are 6.022 x 10^23 molecules (particles) in a mole.
for a given substance what information links mass to moles? number of particles
2 answers
Use the equation below to answer the questions
that follow.
Br2 + Cl 2 → 2BrCl
a. How many moles of BrCl form when
2.74 mol Cl2 react with excess Br2?
b. How many grams of BrCl form when
239.7 g Cl2 react with excess Br2?
c. How many grams of Br2 are needed to
react with 4.53 × 1025 molecules Cl2?
that follow.
Br2 + Cl 2 → 2BrCl
a. How many moles of BrCl form when
2.74 mol Cl2 react with excess Br2?
b. How many grams of BrCl form when
239.7 g Cl2 react with excess Br2?
c. How many grams of Br2 are needed to
react with 4.53 × 1025 molecules Cl2?
1 answer