3. Given the chemical equation Na, C02(aq) + Ca(OH)2 => 2NaOH(aq) + Caco,(s), deter
mine to two decimal places the molar masses of
all substances involved. Then, write the molar
masses as conversion factors.

Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?

What can be found in the ionosphere

An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a. the mitochondria b. the nucleus c. the vacuoles d. the endoplasmic reticulum