Your teacher asks you to prepare 0.50 L of a 2.75 M solution of KCl for an upcoming laboratory experiment. Write a step-by-step procedure describing how you would carry out this task.

Darla claims that the first periodic table developed by mendeleev was not completely accurate, so it is not useful at all. harmony argues that it establish the periodic table we use today, making it more credible. who is correct and why? darla is correct, because a model that has any mistakes should be thrown out. darla is correct, because a good model would not need to change. harmony is correct, because mendeleev’s model had all of the information correct in the first version. harmony is correct, because mendeleev’s model made predictions that came true.

Analyze how limestone is weathered and identify the features that are formed as a result of this dissolution

What is the percentage composition of carbon in the compound ch4