Sodium benzoate c6h5coona is used as a food preservative

Sodium benzoate (C6H5COONa) is used as a food preservative. Calculate the pH of a 0.050 M solution of this salt. Ka for benzoic acid is 6.5 x 10-5

Calculate the mass of solid agno3 that can be added to 20l : calculate the mass of solid agno3 that can be added to 2.0l of a 0.10 m k2cro4 solution in order to just start

Making ice cream involves surrounding the ice cream : making ice cream involves surrounding the ice cream canister with a bath of salted ice water. to get the mix to freeze

A layer of clay 4m thick lies between two layers of sand : a layer of clay 4m thick lies between two layers of sand each 4m thick the top of thenbspupper layer of sand being

A rigid container of o2 has a pressure of 340 kpa at a : a rigid container of o2 has a pressure of 340 kpa at a temperature of 713 k. what is the pressure at 273

Sodium benzoate c6h5coona is used as a food preservative : sodium benzoate c6h5coona is used as a food preservative. calculate the ph of a 0.050 m solution of this salt. ka for

Suppose you wanted to heat a mug of water 250 ml from room : suppose you wanted to heat a mug of water 250 ml from room temperature 25 c to 100 c to make a cup of tea. how much

Using percent yield how many grams of aluminium must be : using percent yield how many grams of aluminium must be used to react with an excess of hydrogen phosphate to produce

Calculate the amount of heat required to completely sublime : calculate the amount of heat required to completely sublime 34.0g of solid dry ice at its sublimation temperature. the

A 150 ml buffer solution containing 0100 m hydrocyanic : a 150 ml buffer solution containing 0.100 m hydrocyanic acid hcn ka6.2 x 10-10 and .100 m soudium cyanide nacn has 30.0