A student weighs an object and finds that it has a mass of 4489 grams. What is the mas of object in pounds?

To prepare for a laboratory period, a student lab assistant needs 525 g of a compound. How many pounds isthat?

The mass of a glass beaker is known to be 25.1 g. Approximately 5 mL of water areadded, and the mass of the beaker and water is measured on an analytical balanceto be 30.625 g. How many significant figures are there in the mass of the water?

A human brain weighs about 1 kg and contains about1011 cells. Assuming that each cell is completely filledwith water (density = 1 g/mL), calculate the length ofone side of such a cell if it were a cube. If the cells arespread out into a thin layer that is a single cell thick,what is the surface area in square meters?

In the former British monetary system, one pound consisted of four crowns, each crown was worth five shillings, oneshilling was equal to 12 pence (pennies), and each penny could be divided into 4 farthings. Calculate how manyfarthings there are in two pounds.

What isthe density (g/mL) of an object that has a mass of 14.01 grams and, when placed into a graduated cylinder, causesthe water level to rise from 25.2 mL to 33.6 mL?

if a coin weighs 7.5 grams and has a volume of 3.0cm³ , what is the density?

What is the mass of a substance that has a densityof 11.6 g/cm3 and a volume of 35 cm?

If I wanted to convert 34.5 meters in to km which of the following conversions factors would I need?

If a troy pound equals 12 troy ounces, and a troy ounce equals 31.1 grams, what is the mass in grams of a 3 troy pounds of silver?