Math

QuestionWhat is the mass of 50.0 mL for each substance? (Densities: Lead 11.4 g/mL11.4 \mathrm{~g/mL}, Ethanol 0.785 g/mL0.785 \mathrm{~g/mL}, Oxygen 1.4×103 g/mL1.4 \times 10^{-3} \mathrm{~g/mL}, Hydrogen 8.4×105 g/mL8.4 \times 10^{-5} \mathrm{~g/mL}, Mercury 13.6 g/mL13.6 \mathrm{~g/mL}, Gold 19.3 g/mL19.3 \mathrm{~g/mL})

Studdy Solution

STEP 1

Assumptions1. The volume of each substance is 50.0mL50.0 \, mL. . The densities of the substances are given in g/mLg/mL.
3. The mass of each substance can be found using the formula mass=density×volumemass = density \times volume.

STEP 2

The formula to find the mass of a substance when you know the volume and density ismass=density×volumemass = density \times volume

STEP 3

Now, plug in the given values for the volume and density of lead to calculate its mass.
masslead=11.g/mL×50.0mLmass_{lead} =11. \, g/mL \times50.0 \, mL

STEP 4

Calculate the mass of lead.
masslead=11.4g/mL×50.0mL=570gmass_{lead} =11.4 \, g/mL \times50.0 \, mL =570 \, g

STEP 5

Repeat the process for ethanol. Plug in the given values for the volume and density of ethanol to calculate its mass.
massethanol=0.785g/mL×50.0mLmass_{ethanol} =0.785 \, g/mL \times50.0 \, mL

STEP 6

Calculate the mass of ethanol.
massethanol=0.785g/mL×50.0mL=39.25gmass_{ethanol} =0.785 \, g/mL \times50.0 \, mL =39.25 \, g

STEP 7

Repeat the process for oxygen gas. Plug in the given values for the volume and density of oxygen gas to calculate its mass.
massoxygen=1.4×103g/mL×50.0mLmass_{oxygen} =1.4 \times10^{-3} \, g/mL \times50.0 \, mL

STEP 8

Calculate the mass of oxygen gas.
massoxygen=1.4×103g/mL×50.0mL=0.07gmass_{oxygen} =1.4 \times10^{-3} \, g/mL \times50.0 \, mL =0.07 \, g

STEP 9

Repeat the process for hydrogen gas. Plug in the given values for the volume and density of hydrogen gas to calculate its mass.
masshydrogen=8.4×5g/mL×50.mLmass_{hydrogen} =8.4 \times^{-5} \, g/mL \times50. \, mL

STEP 10

Calculate the mass of hydrogen gas.
masshydrogen=8.4×105g/mL×50.0mL=0.0042gmass_{hydrogen} =8.4 \times10^{-5} \, g/mL \times50.0 \, mL =0.0042 \, g

STEP 11

Repeat the process for mercury. Plug in the given values for the volume and density of mercury to calculate its mass.
massmercury=13.6g/mL×50.0mLmass_{mercury} =13.6 \, g/mL \times50.0 \, mL

STEP 12

Calculate the mass of mercury.
massmercury=.6g/mL×50.0mL=680gmass_{mercury} =.6 \, g/mL \times50.0 \, mL =680 \, g

STEP 13

Repeat the process for gold. Plug in the given values for the volume and density of gold to calculate its mass.
massgold=19.3g/mL×50.0mLmass_{gold} =19.3 \, g/mL \times50.0 \, mL

STEP 14

Calculate the mass of gold.
massgold=19.3g/mL×50.0mL=965gmass_{gold} =19.3 \, g/mL \times50.0 \, mL =965 \, gThe mass of each substance that occupies a volume of 50.0mL50.0 \, mL is(a) Lead 570g570 \, g (b) Ethanol 39.25g39.25 \, g (c) Oxygen gas 0.07g0.07 \, g (d) Hydrogen gas 0.0042g0.0042 \, g (e) Mercury 680g680 \, g (f) Gold 965g965 \, g

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