An experiment requires 0.7 M NH3(aq). The

stockroom manager estimates that 15 L of
the base is needed. What volume of 15 M
NH3(aq) will be used to prepare this amount of 0.7 M base?
Answer in units of mL

1 answer

Use c1v1 = c2v2
c = concn
v = volume
Substitute the numbers and solve for the unknown.