20cm³ of sulphuric acid reacts completely with excess zinc to form 0.1 mole of hydrogen gas. Calculate the molarity of the acid used.

His mixture is known as a alloy and the solvent of this solution of metals is the.

What is the mass of KNO3 should be used to prepare 2.00 L of a 0.700 M solution?

explain why the crystal structure of barium fluoride, BaF2, differs from that of magnesium fluoride, MgF2

A 10.0 ml solution of 0.300 m nh3 is titrated with a 0.100 m hcl solution. calculate the ph after the addition of 10.0 ml hcl.

Suppose you were a world leader faced with the question of drilling in Antarctica. What decision would you make? Give reasons for your decision

The density of gold is 19.3 g/cm3. What is the volume of a 13 g gold nugget?

Glucose, C6H12O6, C6H12O6, is used as an energy source by the human body. The overall reaction in the body is described by the equation C6H12O6 (aq) 6O2 (g) ⟶6CO2 (g) 6H2O (l) C6H12O6 (aq) 6O2 (g) ⟶6CO2 (g) 6H2O (l) Calculate the number of grams of

Which two bases pair with each other?

What is the main cause of increased erosion

Where should you keep your glass of soda if you want it to remain fizzy