What is the molecular formula of a hydrocarbon containing 84.6% carbon by mass with a molar mass of 142.3g/mol?

a)c20h44
b)c11h10
c)c10h22
d)c5h11

Which statement explains which thermometer is more appropriate to measure the temperature of a liquid at 43.6 degrees celsius a) thermometer a, because it measures temperature more accurately than thermometer b b) thermometer b, because it measures temperature more accurately than thermometer a c) thermometer a, because it measures temperature more precisely than thermometer b d) thermometer b, because it measures temperature more precisely than thermometer a