What percent of the earth's surface water is fresh water?

If one mole of PtCl2·3NH3 reacts with AgNO3 to produce one mole of AgCl (s), how can the formula PtCl2·3NH3 be re-written to show the proper coordination sphere?

if an atom has a mass number of 226 and an atomic number of 88. how many protons and neutrons does it have

A solution is made using 29.25 g of NaCl. The resulting volume of solution is 400 mL. If we know that the molar mass for NaCl is 58.5 g/mole, what is the molarity of the sodium chloride solution?

Qual a massa, em gramas, de duas moléculas de CH4? C = 12g H = 1g Resposta: 5,31x10^-23 Como chegar no resultado?

Why does an incomplete combustion reaction occur?

The table below shows the shapes of two samples, C and D, when placed in three containers of different shapes.

How many grams of KCl are produced when 60 grams of K are reacted?

Whats a solution! people

How do compounds affect an atom's stability

You need to make 10 mL of 2 mg/ml solution of protein and you have 25 mg/mL solution. How much protein solution and water do you need to mix in order to make the required solution?