The new 8.25% bleach concentration is 30% more concentrated than the former bleach. What was the approximate percent by which mass concentration of the old bleach

Chlorophyll a had the molecular formula c55h72mgn4o5 how many atoms are in this molecule

Which of the following nuclei would be the least stable a 2 protons, 2 neutrons b 1 proton 1 neutron c 1 proton 3 neutrons d 1 proton 2 neutrons

Suppose that some of the compound spilled out of the crucible after it was heated. would that cause the percent by mass of water in the compound determined by the experiment to be too low, too high, or unchanged? briefly explain your answer.