Question

已知98%H2SO4溶液的物质的量浓度为18.4mol·L-1,该溶液的密度>1g·cm-3,

Answer 1

c=1000pw%/98

18.4=1000*p(浓)*98%/98

c(稀)=1000*p(稀)*49%/98

p(浓)>p(稀)

c(稀)