How to obtain the concentration of compound in sample
Suppose after developing the color of your unknown compound, the Spec 20 cannot measure the absorbance, it is too high. How could you obtain the concentration of Cr(NO3)3 in your sample? Please be clear and specific.
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Suppose after developing the color of your unknown compound, the Spec 20 cannot measure the absorbance, it is too high. How could you obtain the concentration of Cr(NO3)3 in your sample?
The temperature of a 35.2 g sample of iron increases from 23.7 °C to 29.5 °C. If the specific heat of iron is 0.450 J/g-K, how many joules of heat are absorbed?
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A steel cylinder is filled with 5.75 mol of nitrogen at 22degrees Celcius. The volume of the cyclinder is 18.4 L Calculate pressure inside the cylinder
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