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What is the density of an object with a volume of 20 cm3 and a mass of 40 g?
The definition of density is mass/volume. You have a volume (I assume) of 20cm^3, or 20 cubic centimeters, and a mass of 40 grams. You answer would therefore be 2 grams/cubic centimeter, which you can convert into your favorite units as you please. SI units would be kg/cm^3.
How many grams of alcohol are in 150 mL?
This is not a valid conversion; milligrams (mg) and grams (g) are measures of weight or mass while milliliters (mL or ml) measure volume.
How much is the mass of a pencil which is 3 grams of weight and 20 cm long?
3 grams.
What is the mass of 20ml of lead?
Lead has a density of 11.34 g/cc so 20 ml would have a mass of 226.8 g (1 ml = 1 cc) (1 cc means 1 cubic centimeter)
A thin circular sheet of aluminum has a radius of 20 cm and a thickness of .5 mm?
The thickness (width or w) should be converted to cm (0.5mm=0.05cm), then find the Volume of the sheet. The Volume is r2*pi*w or (20 cm)2(0.05cm) * pi which equals 62.8319 cm3 or 63cm3 when considering the significant digits. You need to look up the density of aluminum somewhere. If you did you would probably find it to be somewhere around 2.70 grams per cm3 Density(p)=mass(m)/volume(v) If you multiply v by both sides of the equation you will have m=p*v mass=(2.70g/cm3)(63cm3)=170.1g or considering the significant digits 170 grams.
What is the mass of 40 grams and volume of 20mL?
To determine the density of a substance, you need to divide the mass by the volume. In this case, the density would be 40 grams / 20mL = 2 grams per milliliter (g/mL). Density is a physical property that describes the amount of mass per unit volume of a substance.
How many ml is equale to 200 grams?
Only if you have pure water in mind: 20 milliliters of pure water weigh 20 grams.
What is density of the unknown metal that has of mass 158g and volume of 20mL?
Density is found by dividing Mass by volume where mass is in grams and volume is in milliliters. 20 liters=20,000 ml so the calculation becomes 158/20,000 which yiels a result of .0079
A piece of granite weighs 52g and has a volume of 20ml what is its density?
density = mass / volume = 52 / 20 = 2.5 g cm-3 Note the units used. Density is commonly measured in grams per cubic centimeter. However using millilitres does not affect the answer since 1 ml = 1 cm3
What is the density of an object with a volume of 10ml and a mass of 20 grams?
Density = Mass / Volume So, density of an object with a volume of 10ml and a mass of 20 grams is = m / v = 20grams/10ml = 2g/ml
How many tablespoons is there in 190 grams of flour?
How many tablespoons of butter are in 200 grams?
What is the density of an object has a mass of 20 grams and a volume of 100 cubic centimeter?
Density = (mass) / (volume) = 20/4 = 5 grams per cc
What is the density of a rock that has a mass of 480 grams and a volume of 24 cm3?
The density of the rock is 20 grams/cm3. You can calculate density by dividing the mass by the volume.
The density for a sample of a pure material with a volume of 5 cm3 and a mass of 20 grams is?
The idea is to divide the mass by the volume.
What is the density of an object that has a mass of 100 grams and a volume of 5 grams?
Impossible to answer. A volume is not measured in grams it is a cubic amount
What is denser 20 grams or 25 grams?
25 grams is denser than 20 grams because density is a measure of how much mass is contained in a given volume. Since both masses occupy the same volume, the one with more mass (25 grams) will have a higher density.
What is the density of an object with a volume of 20 centimeters cubed and a mass of 40 grams?
2 g/cm3 Because density = mass / volume so u do 40 divided by 20 and get 2
