Answer: It's D
Explanation:
I just did this question and i picked C but it's actually D
Environmental selective pressures. In other words, natural selection took place. It was the environment that caused these changes. Birds on the islands with the most suitable traits for survival thrived while the birds that didn't die.
Ammonium Oxalate (NH4) 2c204 is the formula number and has a mass of 124.0959
Answer:
7.506 g
Explanation:
In order to answer the first question we need to keep in mind the requested concentration of acetate: 0.250 M. With the concentration and the volume we can calculate the required moles and then the required grams:
0.250 M * 0.500 L = 0.125 moles acetate
0.125 moles * 60.05 g/mol = 7.506 g
So 7.506 g of acetic acid will be needed to prepare the buffer.
Answer:
true
Explanation:
may change in response to the manipulated variable is called the responding variable.
hope this helped
