Question

A drum had 2155.72 kg of plaster of paris. Out of this 1626.95 kg was consumed. What is the weight of plaster of paris left in the drum now?​

Answer 1

Answer:

Plaster of Paris has a remarkable property of setting with water. On mixing with one-third its weight of water, it forms a plastic mass that sets into a hard mass of interlocking crystals of ____ within 5 to 15 min.

Due to this reaction, it is called plaster. The addtionof common salt accelerates the rate of setting,while a little borax or alum reduced it. The setting of POP is believed to be due to dehydration and its reconversioninto gypsum <br><br> During the process of setting slight expansion (1%) in volume occurs. As a result it can take up the shape and impression of the mould in which it is put.

Answer 2

Step-by-step explanation:

2155.72 - 1626.95

528.77 kg plaster of paris left in the drum now