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In physics the density (ρ) of a body is the ratio of its mass (m) to its volume (V), a measure of how tightly the matter within it is packed. So in order to answer your question, the volume of the object must be known. If the volume is known, simply divide its mass with its volume. Also pay attention to what units are used to express mass and volume and present them in your answer. For example, if the mass is in grams and the volume is in cubic centimers, the number in your answer will have the unit grams per cubic centimeter.
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What is the molarity of a 3.0 percent hydrogen peroxide H2O2 aqueous solution when the density is essentially 1.0g over mL?
If the density is 1.0 g/ml, one liter of the solution will weigh 1000 grams. 3.0 % of this mass or 30 grams of it is constituted of H2O2. The molar mass of H2O2 is 2 (1.008 + 15.999) = 34.014. The molarity of this solution is therefore 30/34.014 = 0.88, to the justified number of significant digits.
Copper has a density of 8.9 gcm3 How many grams of copper make up a sheet of copper that is 30.0 cm 20.0 cm 0.10 cm?
If density of Copper is 8.9 g/cm3, then 534 g, not 530 g, for a 30 cm X 20 cm X .10 cm
A sample of iron oxide has a mass of 1.596 g. On analysis it was found to contain 1.116 g of iron and 0.48 grams of oxygen. Find the percentage composition of this compound?
69.92% Fe 30.% O
Mass number of 19?
Potassium is a metal element. Atomic mass of it is 30.
What is the atomic number is zinc?
The atomic number of zinc (Zn) is 30. The atomic weight of Zn is 65.39 grams per mole. See the Web Links and the Related Questions to the left of this answer for a periodic table and more information about this element.
A solid object has a mass of 30 grams and a volume of 10 cm cubedwhich is the density of the object?
30/10 = 3.0 grams per cc
What is the density of an object that has a mass of 30 grams and a volume of 6 liters?
the density of an object thats has a mass of 0 grams and a volume of 6 liters is 36 g/l
What is the density of a solid object that has a mass of 30 grams and a volume of 10 cm3?
density = mass ÷ volume = 30 g ÷ 10 cm3 = 3 g/cm3
What is the density of a - solid object has a mass of 30 grams and a volume of 10 cm3?
It is 3 grams per cm^3.
What is the density if the mass is 30 grams and the volume is 15 milliliters?
Density = Mass/Volume = 30/15 = 2 grams per millilitre.
What is the density of an object with a mass of 90 grams and a volume of 30 cm?
Volume cannot be measured in cm since that is a unit for measuring length.
What is the density of 75 grams and 30 cubic centimeters?
Density: Mass/Volume Answer: 2.5
What symbol is used to represent destiny?
Density does not have a specific "symbol" (or unit). It is instead expressed as mass/volume, or mass per unit volume. So if you had an object with a mass of 20 grams, and a volume of lets say 30 mL, it's density would be 20 grams/mL.
What is the small blocks density if the volume is 15 mL and has a mass of 30 g?
Density = Mass/Volume = 30/15 = 2 grams per mL.
What is the density of a substance that has a mass of 30 grams and occupies 8 milliliters?
Density = mass / volumeDensity = 30 g / 8 ml = 3.75 g/ml
A 30 milliliter rock is 15 grams What is the density?
1 mL = 1 cm3 Density = mass / volume Mass = 15 g Volume = 30 cm3 Density = .5 gcm-3 (grams per centimeter cubed)
When you divide the mass of a substance by its volume you get its?
That quotient is the object's "density".mass of an object divided by volume = mass per unit volume = density of that object.
