Consider this question: what mass of concentrated solution nitric acid( 68.0% hno3 by mass) is needed to prepare 400.0 g of a 10.0% solution of hno3 by mass?
(a) outline the steps necessary to answer the question
(b) answer the question

How is the shape of the poem “peer” connected to its meaning?

Acalorimeter is to be calibrated: 51.203 g of water at 55.2 degree c is added to a calorimeter containing 49.783 g of water at 23.5c. after stirring and waiting for the system to equilibrate, the final temperature reached is 37.6 degree c. specific heat capacity of water (s = 4.18 j/g∙degree c). calculate the calorimeter constant. (smδt)warm water = -[(smδt)cold water + (calorimeterδtcold water)]

In science class richard learns that a substance has a boiling point of 230 fahrenheit his teacher ask him to convert this temperature to degrees celsius what is the boiling point of his substance in degrees celsius