A pure 3.88 kg sample of a solid occupies a volume of 66.0 mL. Calculate its density in g/mL to the correct number of significant figures. Density = mass/volume Group of answer choices a)  58.8 g/mL b)  5.88 x 10^-5 g/mL c)  0.059 g/mL d)  0.0588 g/mL

A 53.5 % ethanol solution (v:v) has a volume of 221.4 mL.  What is the mass (g)  of ethanol in the solution?The density of ethanol, d = 0.789 g/cc.

A firkin = 40.82 kg (inexact). How many firkin in 76.2 kg? 3110 fir O 1.866 fir 1.87 fir 3.21x10-4 fir 0.5357 fir

Convert 2.1 m^2 to cm^2 Convert 3.0 m/s^2 to km/h^2

Bud N. Chemist must determine the density of a mineral sample. His five trials yield densities of 5.15 g/cm3, 4.83 g/cm3, 5.08 g/cm3, 4.97 g/cm3, 5.12 g/cm3. Independent studies found the correct density to be 5.06 g/cm3. Which of the following is incorrect? a. The mean of his analysis is 5.03 g/cm3 indicating an error of 0.03 g/cm3 from the correct density B.His data has a standard deviation of 0.017 g/cm3 C.His data has a relative standard deviation of 2.60% D. He can report his analyzed density as 5.0±0.2 g/cm3 at a 95% confidence level E. The true value (population mean) is found within the confidence interval of Bud’s work

You want to determine the density of a metallic solid object. The object weighs 144.38 grams. You a graduated cylinder where the water level is at 22.0 mL. The water level rises to 29.1l mL when you the cylinder. Calculate the density of the metal cylinder. 6. Mass of object = 7. Volume of object = 8. Density of object =

A solution was created by dissolving 7.399 g of calcium chloride in 54.2 mL of water (d = 1.00 g/mL). What is the boiling point of this new solution? The ko for water is 0.52°C/m. The boiling point of pure water is 100.0°C. Round your answer to 2 decimal places.

A sample of an unknown mineral weighs 54.8 g and has a volume of 7.84 ml. It is __________.     Lead sulfide (density = 7.56 g/ml)     Sphalerite (density = 4.0 g/ml)     Cinnabar (density = 8.10 g/ml)     Casserite (density = 6.99 g/ml)     Platinum (density = 21.4 g/ml)

Use Correct significant digits please