86.4g of carbon dioxide gas, are dissolved in 225 ml of water. calculate the molarity of the carbon dioxide

Balance this equation: n2 + h2 > nh3, write the following molar ratios: n2 / n2 / nh3 h2 /

1) this is the structure in the cell nucleus that houses a cell's genetic information

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?