Trichloromethane consist of 10.089 carbon 0.83% hydrogen and 89.12% chlorine .it relatively molecular mass 119.5grams .find it molecular formula
If 0.05 mol of Zinc was added to 0.075 mol of HCl in the given equation, Zn(s) + 2HCl(aq) ZnCl2(aq) + H2(g) (b) How many moles of the excess reactant did not react/ excess? (3pts) *
If 0.05 mol of Zinc was added to 0.075 mol of HCl in the given equation, Zn(s) + 2HCl(aq) ZnCl2(aq) + H2(g) (a) Which one is the limiting reactant? (3pts) *
Calculate the mass of solid sodium carbonate when 16.8 grams of sodium hydrogencarbonate is heated strongly until there is no further change. (3pts) 2NaHCO3(s) -- Na2CO3(s) + CO2 (g) +H2O (l) *
Based on the reaction below. How many grams of water would be form from 0.33 moles of C4H10 reacting with an unlimited amount of oxygen gas? (3pts) C4H10 + 6O2 --> 4CO2 + 5H2O
Why halogen does not form metallic bonding?
How does ionization energy influence ionic, and covalent bond formation?
How many grams of HCl are produced when 15.2 mol H2O reacts?
HCl produced: g
How many moles of CO2 are produced when 76.5 g HCl is produced?
CO2 produced: mol
How many grams of C12H4Cl6 are reacted when 100.25 g CO2 is produced?
C12H4Cl6 reacted: g
How many grams of HCl are produced when 2.5 kg C12H4Cl6 reacts?
HCl produced:g
When the following compounds dissolve in water, do they give solutions of acids, bases,
or salts?
(a) NaI (b) HNO3 (c) NaClO4 (d) N4HNO3
(e) HClO3 (f) NH3 (g) Ba(OH)2 (h) LiOH
How many moles of NaHCo3 are their in 30 ml of Ca(OH)2
A chemist was asked to determine the concentration of zinc in plant extract.the chemist dissolved 1 gram of the plant extract in 100ml flask using appropriate solvent and filled it to the mark using deionized water.the solution gave absorbance of 0.46.if the molar absorptivity of the solution was 3.65*10^4L/M/cm and th path length 1cm calculate concentration of zinc in moles per gram