a bottle is labeled 20.0 percent by mass HCl with a density of 1.096g/ml calculate the morality .what is the concentration in ppm of 3.70 L solution…

1.a bottle is labeled 20.0 percent by mass HCl with a density of 1.096g/ml calculate the morality . please show and explain work

2.what is the concentration in ppm of 3.70 L solution (d=1.00g/ml) containing 4.21×10^-7 kg of the pestcide DDT?