Answer:
44.1 g
Explanation:
15 % = mass salt/mass salt +mass water
.15( mass water) +.15 mass salt =mass salt
.15(250g water) +.15mass salt = mass salt
37.5=.85 mass salt
44.1
c is the answer a benzene
d
pv=nrt
2.5×1.01×10^5×8×10^-3=3×8.31×T
T=
