Other Chemistry Answers

If I pour 10ml of 0.5M Co(No3)2 stock solution in to a sample vial and use it to make up 4 different solutions ranging in concentration from 0.025M to 0.1M by pippetting 500, 1000, 1500 and 2000 micro-litres in to separate vials and making up to 10ml with of deionised water, what are the concentrations of each?

What volume of Ammonia is evolved when AmmoniumChloride is passed through 1.48 grams of Calcium Hydroxide

What volume of Ammonia is evolved when Ammonium chloride is passed through 1.48 grams of CalciumHydroxide

How do you find percentage yeild? For example, reacting 991 mol of SiO(subscript2) with excess carcon yeild 30.0 kg of SiC.

What is the concentration of a Ca(OH)2 solution if 15.0 ml of 0.500 M H3PO4 solution is required to completely neutralize 22.5 ml of the Ca(OH)2 solution?

20mL of Al(OH)3 reacts completely with 50mL of 1mol of HBr. What is the concentration of Al(OH)3?

Hydrochloric acid is
an important commercial acid.
Hydrochloric
acid reacts with ammonium hydroxide forming ammonium
chloride.
(i)
Write the acid base chemical equation for above reaction.
(ii)
Calculate the amount HCl required in kilograms to react
with 25 kg ammonium hydroxide.
(iii)
Calculate the amount of HCl required to obtain 30 kg of
ammonium chloride

why did not we take concentrated acid in the place of dilute acid?

A 999mL \rm NaCl solution is diluted to a volume of 1.29L and a concentration of 2.00\it M . What was the initial concentration?

What is the final volume in milliliters when 0.952L of a 42.3\% (m/v) solution is diluted to 20.2\% (m/v)?