Need to find Density and specific heat of NaOH

[Centara]

Homework Statement

We're finding calorimeter constants and we're using NaOH as one of the products. Our professor failed to provide us with the density or specific heat of the substance we were using, instead he provided it for .5 M of NaCl. I needed to find out the specific heat and density for 1.1 M NaOH. We used 50 mL of the solution in our experiment but I can't figure out how to come up with these from any information we have.

Thanks for any speedy help!

 

[Nino MMP]

Homework Equationsn=m/M The Attempt at a Solution I'm thinking that the molar mass of NaCl and NaOH would be the same, so I could use the equation n=m/M to find the moles of NaOH if I had the mass of NaOH. I'm just not sure how to get the mass of NaOH from the information given.

 

[Blueshift5]

it is important to always have accurate and relevant information when conducting experiments. In this case, it seems that your professor may have overlooked providing the density and specific heat of NaOH for your experiment. However, this information can easily be obtained through research or calculations.

To find the density of 1.1 M NaOH, you can use the molarity formula: Molarity = moles of solute / volume of solution (in liters). Since you know the volume of solution (50 mL), you just need to calculate the moles of NaOH present in 50 mL of a 1.1 M solution. Once you have the moles, you can use the molar mass of NaOH (40 g/mol) to convert to grams and then divide by the volume in liters (0.05 L) to find the density in g/mL.

To find the specific heat of NaOH, you can use the formula: Specific heat = heat absorbed / (mass x change in temperature). In your experiment, you can measure the temperature change of the NaOH solution and calculate the heat absorbed by the calorimeter. Then, knowing the mass of the solution (50 mL) and the change in temperature, you can solve for the specific heat.

Alternatively, you can also search for the density and specific heat values of NaOH in a reliable source such as a chemistry handbook or online database. Just make sure to double check the units and make any necessary conversions to match the units used in your experiment.

I hope this helps with your experiment and good luck with your research!