1. A 7.98 x 10^-11 M solution of HNO3 (nitric acid) A) acid

B) base

2. A 2.5 mol solution in 4L of HCI

A) acid

B) base

Atank contains 240 liters of fluid in which 10 grams of salt is dissolved. brine containing 1 gram of salt per liter is then pumped into the tank at a rate of 6 l/min; the well-mixed solution is pumped out at the same rate. find the number a(t) of grams of salt in the tank at time t.

How have the greenhouse gasses increased from the year 2000 to 2018

When a scientific theory has been tested and proved by the scientific community, it becomes a law