Define concentration of a solution. To make a saturated solution, 36 g of sodium chloride is dissolved in 100 g of water at 293 K. Find its concentration at this temperature.​

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.

Precision can be defined as the o exact center of a data set. o reproducibility of a measured value. o correlation between two variables that are measured in a data set agreement between a measured value and an accepted value.