The term "dry foam" refers to a foam that has:
High water content
Low water content
No water content
High gas content
Dry foam is a foam with relatively low water content, making it suitable for applications where a reduced amount of liquid is desired.
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5 g of Na2SO4 was dissolved in x g of H2O. The change in freezing point was found to be 3.820C. If Na2SO4 is 81.5% ionised, the value of x (K
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