Lethal Volume

Lethal Volume

fungicide

Fill in Exercises

Type your answers in the gaps, then press "Check Answer" to see if it is correct.

A 'Rosekil' fungicide sold in garden shops for the treatment of blackspot on roses is recommended to be used in a 1 in 20 dilution.

What volume of concentrated 'Rosekil' would be needed to make 2 litres of diluted solution ready for use? ml.  

The fungicide contains 8g/litre of the active chemical BCHT.

What volume of concentrated 'Rosekil' would be fatal if drunk by the family dog, who weighs 4kg? ml.  

Note:

Toxic level of BCHT for dog is approx 10mg/kg body weight.


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