EXAM PREP
WGU D425 Introduction to Chemistry
-PA and OA ACTUAL EXAM
100%VERIFIED
2026/2027
Complete Questions Bank and Correct
Detailed Answers With Rationales ||
100% Guaranteed Pass || Brand New
Version
,Calculate the density of 10.4g/mL sample of a substance (v=m/d), 3.38ml
with a mass of 35.12g. Enter the answer in the correct
number of significant figures and include the unit g/mL
convert 12.5g in to kilograms. enter answer in kg 0.0125
calculate the density of an object that has a mass of 1.29g/ml
19.378 and a volume of 15.0 ml. enter as g/ml
a substance has a mass of 42.10g. if the density of the 17.3ml
substance is known to be 2.431g/ml what volume of
substance is present
several samples of a metal weighed and placed into a Subtract inital volume from final volume, 1ml= 1cm^3, D=M/V
graduated cylinder filled with water to measure their
volume by water displacement
several samples of metal were weighed and placed into
the graduated cylinder filled water to measure their
volume by water displacement q
Dimensional Analysis Ex. 3.55m=355cm
how many centimeters are there in 3.55m
quantity given: 3.55m
3.55m * (100cm/1m)=
Density converted between mass and volume of a p=0.785g/ml
substance
30.2ml sample of ethyl alcohol with a mass of 23.71002g
Find mass of and object. density of alcohol is 1.5784g=1.5g
0.7892g/mL, so alcohol is 0.7892g per 1ml. determine
the mass of alcohol for 2.0mL use
Density = mass/__________ volume
Density of an object? density = 1.7156g/mL= 1.72g/ml
mass of 2.4019 and volume of 1.40mL
Density of an object? density= 0.3825g/mL=0.38g/mL
volume of 32mL and a mass of 12.24g
density of an object? density= 5.507g/cm= 5.51g/cm^3
mass of 78.2g/14.2cm^3
density of an object? density= 2.43686g/cm^3= 2.4g/cm^3
22.57cm^3/55g
density of an object? density= 2.42857 g/mL= 2.4g/mL
85g/35mL
, what is the mass of 25.0mL of octane, with a density of density= 17.55g= 17.6g
0.702 g/cm
-Given:25.0mL
conversion factors:
1.1mL
2.0.0702=1cm^3 (mL->cm^3->g)
25.0mL1cm^3/mL0.702g=
the density of titanium is 4.51g/cm^3. What is the volume density= 21.53in^3= 22in^3
in cubic inches of 3.5Ib of titanium?
conversion factors:
1) 2,2Ib=1Kg
2) 1Kg=10^3g
3) 4.51g= 1cm^3
4) 2.54cm= 1 in Find in^3
Ib-> Kg -> g-> cm^3 -> in^3
3.5Ib 1Kg/2.2Ib10^3g/1Kg1cm^3/4.51g1in/2.54cm
must multiply (1in/2.54cm)^3=1in^3/16.387cm^3
3.5Ib1Kg/2.2Ib10^3g/1Kg1cm^31in^3*16.38cm^3
Calculate the density in g/mL of aluminum with a volume Density= 0.008 g/mL
of 0.6cm^3 and a mass of 4.6mg?
Given: 4.6mg and 0.6cm^3
Formula for Density: mass (g)/volume(ml) Find:
Density:1) mg->g 4.6mg*10^-3g/1mg=
4.6*10^-3g=
2) cm^3->mL 0.6cm^3*1mL/1cm^3=0.6mL
step 1 by step 2
3) Divide g/mL 4.6*10^-3/mL=
what is the density in g/cm^3 of an unknow solution Density = 0.29g/cm^3
containing 2.3kg and 8.0L
If ethanol has a density of 0.789 g/mL and a mass of Density= 41.6mL
36.4g. Find the volume in mL
The density of a solution is 0.791 g/cm^3. What is the 95 in^3
volume in cubic inches of 2.7 Ib of the solution?
how many centimeters are in 1.24m?
Calculate the density of a 74.5ml sample of a substance
with a mass of 25.92g.
Calculate the density of a 55cm^3 sample of a substance
with a mass of 13.4g
how many millimeters are in 34 meters
talia prepares a bowl of cereal with milk. when she starts chemical change
to eat the cereal, she immediately spits it out because
the milk has turned sour. which property change is the
souring of milk an example of
the mass of a ball is 141kg. what is its mass in ounces, 4.97x10^3 oz.
given 1 oz= 28.35g
WGU D425 Introduction to Chemistry
-PA and OA ACTUAL EXAM
100%VERIFIED
2026/2027
Complete Questions Bank and Correct
Detailed Answers With Rationales ||
100% Guaranteed Pass || Brand New
Version
,Calculate the density of 10.4g/mL sample of a substance (v=m/d), 3.38ml
with a mass of 35.12g. Enter the answer in the correct
number of significant figures and include the unit g/mL
convert 12.5g in to kilograms. enter answer in kg 0.0125
calculate the density of an object that has a mass of 1.29g/ml
19.378 and a volume of 15.0 ml. enter as g/ml
a substance has a mass of 42.10g. if the density of the 17.3ml
substance is known to be 2.431g/ml what volume of
substance is present
several samples of a metal weighed and placed into a Subtract inital volume from final volume, 1ml= 1cm^3, D=M/V
graduated cylinder filled with water to measure their
volume by water displacement
several samples of metal were weighed and placed into
the graduated cylinder filled water to measure their
volume by water displacement q
Dimensional Analysis Ex. 3.55m=355cm
how many centimeters are there in 3.55m
quantity given: 3.55m
3.55m * (100cm/1m)=
Density converted between mass and volume of a p=0.785g/ml
substance
30.2ml sample of ethyl alcohol with a mass of 23.71002g
Find mass of and object. density of alcohol is 1.5784g=1.5g
0.7892g/mL, so alcohol is 0.7892g per 1ml. determine
the mass of alcohol for 2.0mL use
Density = mass/__________ volume
Density of an object? density = 1.7156g/mL= 1.72g/ml
mass of 2.4019 and volume of 1.40mL
Density of an object? density= 0.3825g/mL=0.38g/mL
volume of 32mL and a mass of 12.24g
density of an object? density= 5.507g/cm= 5.51g/cm^3
mass of 78.2g/14.2cm^3
density of an object? density= 2.43686g/cm^3= 2.4g/cm^3
22.57cm^3/55g
density of an object? density= 2.42857 g/mL= 2.4g/mL
85g/35mL
, what is the mass of 25.0mL of octane, with a density of density= 17.55g= 17.6g
0.702 g/cm
-Given:25.0mL
conversion factors:
1.1mL
2.0.0702=1cm^3 (mL->cm^3->g)
25.0mL1cm^3/mL0.702g=
the density of titanium is 4.51g/cm^3. What is the volume density= 21.53in^3= 22in^3
in cubic inches of 3.5Ib of titanium?
conversion factors:
1) 2,2Ib=1Kg
2) 1Kg=10^3g
3) 4.51g= 1cm^3
4) 2.54cm= 1 in Find in^3
Ib-> Kg -> g-> cm^3 -> in^3
3.5Ib 1Kg/2.2Ib10^3g/1Kg1cm^3/4.51g1in/2.54cm
must multiply (1in/2.54cm)^3=1in^3/16.387cm^3
3.5Ib1Kg/2.2Ib10^3g/1Kg1cm^31in^3*16.38cm^3
Calculate the density in g/mL of aluminum with a volume Density= 0.008 g/mL
of 0.6cm^3 and a mass of 4.6mg?
Given: 4.6mg and 0.6cm^3
Formula for Density: mass (g)/volume(ml) Find:
Density:1) mg->g 4.6mg*10^-3g/1mg=
4.6*10^-3g=
2) cm^3->mL 0.6cm^3*1mL/1cm^3=0.6mL
step 1 by step 2
3) Divide g/mL 4.6*10^-3/mL=
what is the density in g/cm^3 of an unknow solution Density = 0.29g/cm^3
containing 2.3kg and 8.0L
If ethanol has a density of 0.789 g/mL and a mass of Density= 41.6mL
36.4g. Find the volume in mL
The density of a solution is 0.791 g/cm^3. What is the 95 in^3
volume in cubic inches of 2.7 Ib of the solution?
how many centimeters are in 1.24m?
Calculate the density of a 74.5ml sample of a substance
with a mass of 25.92g.
Calculate the density of a 55cm^3 sample of a substance
with a mass of 13.4g
how many millimeters are in 34 meters
talia prepares a bowl of cereal with milk. when she starts chemical change
to eat the cereal, she immediately spits it out because
the milk has turned sour. which property change is the
souring of milk an example of
the mass of a ball is 141kg. what is its mass in ounces, 4.97x10^3 oz.
given 1 oz= 28.35g
