5. What is the mass (kg) of a 1.25 L sample of saturated brine solution with a density of 1.45 kg/L at 25 °C?

Amole, which is a unit in chemistry, contains 6.02 x 1023 atoms or particles. how many zeroes follow the 2 when this number is written out in standard form? a) 21 b) 23 c) 24 d) 25

Many radioactive atoms that have large masses undergo radioactive decay by releasing a particle that is identical to a helium-4 nucleus. what changes in the original atom are expected as a result of this natural phenomenon? the atomic number and the mass number will decrease. the atomic number and the mass number will increase. the atomic number will increase, and the mass number will decrease. the atomic number will decrease, and the mass number will increase.

When 7.00g of hydrogen react with 70.0g of nitrogen, hydrogen is considered the limiting reactant because