The colour of red cabbage indicator is as below
original colour: purple
colour in acid :pink
colour in alkali :green
If a red cabbage has pink leaves.what can you infer about the soil it is growing in ?
How much potassium in ammonium sulfate?
The boiling point of an aqueous solution is 102.5°C. What is the freezing point of the solution?
A solution of propylene glycol (antifreeze) in the car's radiator has a freezing point of -20°C. What is the molality of the solution?
Calculate the percent composition of Iron and oxygen in the product if the mass of iron is 7.874g and mass of oxygen is 1.429g
if it takes 24.8 ml of 1.20N acid to neutralize 3.25 g of a base, what is the equivalent weight of the base
the molar mass of K2SO4 is 174g/mol, how many K+ ions are there in its 1 mole of the salt?
The reaction of diatomic fluorine gas (F2) with compound X yields a single product, compound Y. The mass percent composition of the product, compound Y is 61.7% F2 and 38.3% Cl. What is the probable empirical formula for product Y? What is a probable empirical formula for compound X?
For the reaction
3 H2(g) + N2(g) ----------> 2 NH3(g)
what mass of NH3(g) is produced when 2.15 L of H2(g) measured at STP reacts?
For the reaction
MnO2(gas) + 4 HCl(aq) ----------> MnCl2(aq) + Cl2(g) + 2 H2O(l)
1. what volume of Cl2(g) measured at STP is produced when 7.65 g of HCl(aq) reacts?