How many g of nacl do need to make 1.00l of 2.5% w/v solution of nacl in water?

Much of the general structure and physical properties of the interior of the earth are inferred from: a)deep oil and gas bore holes b)geologic investigations c)analysis of seismic waves d) study of volcanoes

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?

The grooves or folds of the brain are called