Math

QuestionFind the density of a liquid weighing 4.3×103 g4.3 \times 10^{3} \mathrm{~g} in a tank measuring 14.3 cm×7.30 cm×72.0 cm14.3 \mathrm{~cm} \times 7.30 \mathrm{~cm} \times 72.0 \mathrm{~cm} in Kg/L\mathrm{Kg} / \mathrm{L}.

Studdy Solution

STEP 1

Assumptions1. The dimensions of the tank are 14.3 cm×7.30 cm×72.0 cm14.3 \mathrm{~cm} \times7.30 \mathrm{~cm} \times72.0 \mathrm{~cm} . The weight of the liquid is 4.3×103 g4.3 \times10^{3} \mathrm{~g}
3. We need to find the density of the liquid in Kg/\mathrm{Kg} / \mathrm{}
4. The tank is completely filled with the liquid

STEP 2

First, we need to find the volume of the tank, which is also the volume of the liquid since the tank is completely filled. The volume of a rectangular tank can be found by multiplying its length, width, and height.
Volume=Length×Width×HeightVolume = Length \times Width \times Height

STEP 3

Now, plug in the given values for the length, width, and height to calculate the volume.
Volume=14.3 cm×7.30 cm×72.0 cmVolume =14.3 \mathrm{~cm} \times7.30 \mathrm{~cm} \times72.0 \mathrm{~cm}

STEP 4

Calculate the volume of the tank.
Volume=14.3 cm×7.30 cm×72.0 cm=75192 cm3Volume =14.3 \mathrm{~cm} \times7.30 \mathrm{~cm} \times72.0 \mathrm{~cm} =75192 \mathrm{~cm}^3

STEP 5

Since we need the density in Kg/\mathrm{Kg} / \mathrm{}, we need to convert the volume from cm3\mathrm{cm}^3 to \mathrm{}. We know that 1 cm3=0.001 1 \mathrm{~cm}^3 =0.001 \mathrm{~}.
Volume=75192 cm3×0.001 /cm3Volume =75192 \mathrm{~cm}^3 \times0.001 \mathrm{~/cm}^3

STEP 6

Calculate the volume in liters.
Volume=75192 cm3×0.001 /cm3=75.192 Volume =75192 \mathrm{~cm}^3 \times0.001 \mathrm{~/cm}^3 =75.192 \mathrm{~}

STEP 7

Now we need to find the mass of the liquid. Since the weight is given in grams, we need to convert it to kilograms as we need the density in Kg/\mathrm{Kg} / \mathrm{}. We know that 1 g=0.001 Kg1 \mathrm{~g} =0.001 \mathrm{~Kg}.
Mass=4.3×103 g×0.001 Kg/gMass =4.3 \times10^{3} \mathrm{~g} \times0.001 \mathrm{~Kg/g}

STEP 8

Calculate the mass in kilograms.
Mass=4.3×103 g×0.001 Kg/g=4.3 KgMass =4.3 \times10^{3} \mathrm{~g} \times0.001 \mathrm{~Kg/g} =4.3 \mathrm{~Kg}

STEP 9

Now that we have the mass in kilograms and the volume in liters, we can find the density of the liquid. Density is defined as mass per unit volume.
Density=Mass/VolumeDensity = Mass / Volume

STEP 10

Plug in the values for the mass and the volume to calculate the density.
Density=4.3 Kg/75.192 Density =4.3 \mathrm{~Kg} /75.192 \mathrm{~}

STEP 11

Calculate the density of the liquid.
Density=4.3 Kg/75.192 =0.057Kg/LDensity =4.3 \mathrm{~Kg} /75.192 \mathrm{~} =0.057 \mathrm{Kg/L}The density of the liquid is 0.057Kg/L0.057 \mathrm{Kg/L}.

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