Please help please help
find molecular formula of a compound with a molar mass of 45.0 g/mol and an empirical formula of CH3

If this equation was completed which statement would it best support

Gwhich r group would most likely be found in a hydrophobic area of the tertiary structure of a globular protein? which r group would most likely be found in a hydrophobic area of the tertiary structure of a globular protein? −ch2−oh −ch2−o||c−nh2 −ch2−coo− −ch2−ch2−ch2−ch2−n+h3

Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?