How Do You Calculate the Density of a Mud Mixture?

[cthor]

Homework Statement

A typical mud is compsed of 76 wt% sand and 24 wt% water. What is the density?

Homework Equations

No relevant equations but density of sand is 951 kg/m^3 and 1 kg/m^3 for water.

The Attempt at a Solution

Just multiplied the density by the percentage and added them up. Dont know if its correct. Answer came out to be 723 kg/m^3

 

[nvn]

That's incorrect. That's the wrong density for water, plus your current approach is incorrect. There are probably relevant equations in your textbook. Keep looking. Or, you can derive it yourself.

 

[minger]

The trick here is that they give you the pecentages in weight. Assume that your mixture is 1 kg. From here given the percentages, you can get the weight of each part; this will simply be the percentage. Now given the density of each part and the weight, you can find the volume.

Given the weight (1 kg) and the volume, you can get the final mixture's density.