Questions LLC
Login
or
Sign Up
Ask a New Question
Mass Calculation
Page 4
Questions (229)
NaCL is composed of 39.3% Na and 0.7%. Calculate the mass of Na in 0.375gm salt.
1 answer
asked by
Twynna Andrews
759 views
Copper (2) fluoride contains 37.42% F by mass. calculate the mass of fluorine (in grams) contained in 35.6 g of copper(2)
4 answers
asked by
Anonymous
790 views
Tiger Woods can hit a golf ball quite hard. A golf ball just after being hit by Mr. Woods has a kinetic energy of 100 J and a
3 answers
asked by
nice
784 views
Please help me.
1. A chemist adds 25.0 mL of a 43.4 g/dL iron (ii) bromide (FeBr2) solution to a flask. Calculate the mas in gram
2 answers
asked by
Katie
740 views
If 3.00 mol of calcium carbonate is heated to produce calcium oxide and carbon dioxide, how many grams of calcium oxide are
2 answers
asked by
John Goodroe
755 views
A TUMS tablet was dissolved in 110.00 ml of 0.1022 M HCl and analyzed for CaCO3 according to the procedure described in the lab
2 answers
asked by
Ashley
737 views
1. A box of crackers has a mass of p kilograms. When empty, the box
has a mass of 200 grams. What is the total mass of the
2 answers
asked by
Anonymous
721 views
What would be the mass of a bag of anhydrous magnesium sulfate, MgSO4, if it contained the same amount of magnesium as a 1.00kg
2 answers
asked by
Jess
700 views
Calculate the mass of Al2(SO4)3 produced when 4.26kg of Al(NO3)3 is added to an excess of K2SO4.
6 answers
asked by
Donna
668 views
2AgNO3 + Zn -> 2Ag + Zn(NO3)2
Put Zn 19g and excessive amount of AgNO3 together in a beaker and start reaction. When Zn is still
2 answers
asked by
Rov.
694 views
If you tried to smuggle gold bricks by filling your backpack, whose dimensions are 66 cm 18 cm 15 cm, what would its mass be
2 answers
asked by
Anonymous
669 views
A cubic piece of metal measures 3.00cmcm on each edge. If the metal is nickel, whose density is 8.90 g/cm3{\rm g/cm}^3, what is
3 answers
asked by
dae
666 views
Determine the mass of Co(NO3)2•6 H2O to prepare 250 mL of a 0.50 M stock solution.
2 answers
asked by
Cortney
663 views
A long thin rod lies along the x-axis from the origin to x=L, with L= 0.830 m. The mass per unit length, $\lambda$ (in kg/m)
4 answers
asked by
Kid
633 views
If 31.5 of molten iron(III) oxide reacts with 175 of aluminum, what is the mass of iron produced?
2 answers
asked by
Anonymous
626 views
In a similar experiment, a sample of tin metal was dissolved in nitric acid to produce 23.00 mL of solution containing Sn2+.
2 answers
asked by
james
613 views
What mass of Cr(OH)3 would be produced if 500ml of 0.250M KOH were added to a solution of CrCl3. I need to understand how to set
3 answers
asked by
Angela
588 views
Q: 26.30mL of 0.1105 mol/L H3PO4 solution is neutralized by 139.50 mL of KOH.
Calculate the mass of solid KOH required to prepare
2 answers
asked by
Sarah
610 views
Bromine has two naturally occurring isotopes, the first of which is 79Br with a mass of 78.904 amu
and an abundance of 50.54%.
2 answers
asked by
Louise
587 views
Can someone please tell me if I am doing this problem correctly. Thank you!
Given: 450 mL (0.450L); 0.250 M KNO Need: Mass of KNO
2 answers
asked by
Kishwa
599 views
CaO +H2O= Ca(OH)2
The initial mass plus the test tube is 10.860g after picking up water to give calcium hydroxide the total mass
2 answers
asked by
Alexis
595 views
Calculate the mass of water formed by the complete reaction of 572 g of propane (C3H8)
with excess oxygen. (Write a balanced
2 answers
asked by
danny
577 views
I have to go to work this weekend so I'm trying to get my homework finished. Could you please help me figure out this question?
C
3 answers
asked by
Anonomous
549 views
5.0 grams of solid Ce2(SO4)3 was added to 100 mL of water.
What is the total mass?
2 answers
asked by
Luc
565 views
A mixture is prepared by adding 28.6 mL of 0.169 M Na3PO4 to 39.7 mL of 0.255 M Ca(NO3)2. What mass of Ca3(PO4)2 will be formed?
2 answers
asked by
joshua
548 views
A container is fabricated from steel having a thickness of 0.500 inch and an average density of 7.85 g/cm3. (You may assume that
4 answers
asked by
Sam
556 views
Calculate the mass (in kg) of each compound that contains 1.0 x 10E3 kg of iron.
Fe2O3 I really can't figure this one out please
2 answers
asked by
Monique
536 views
8.10 g metal combines with 7.20g of oxygen to form X2O3. What is the relativ
e mass of X
2 answers
asked by
treasa
515 views
Mg(s) + 2HCl(aq) −> MgCl2(aq) + H2(g)
What mass of MgCl2 is produced? Answer in units of g second part What mass of H2 is
2 answers
asked by
Anonymous
528 views
What mass of sulfur has to burn to produce 4.5L SO2 at 300°C and 101 kPa in the following reaction?
S(s) + O2(g) -> SO2(g) A.
3 answers
asked by
Emiko
517 views
Given the following equation: Mg(s)+2HCl(aq) goes to MgCl2(s)+H2(g)
How many grams of hydrogen chloride (HCl) are needed to
2 answers
asked by
Jasmine
513 views
a piece of iron reacts with sulfuric acid and produces 250 dm^3 hydrogen gas at 27 degree celsius temperature and 99.99 kPa.
2 answers
asked by
tazvi
527 views
A 4.58 m solution of the solute methylene chloride dissolved in the solvent acetone is available. Calculate the mass ( kg ) of
2 answers
asked by
bubble
528 views
Copper (2) fluoride contains 37.42% F by mass. calculate the mass of fluorine (in grams) contained in 35.6 g of copper(2)
2 answers
asked by
Anonymous
537 views
what would be the total mass of the products of a reaction in which 25 grams of table salt decomposes into the elements sodium
2 answers
asked by
howdy
517 views
estimate the mass of BaSO4 that will be produced when a 100ml of a 2M solution of Ba(NO3)2 in water is added toa 100ml of a 2M
2 answers
asked by
Alex
509 views
What mass of iron metal can be obtained from the reaction of 45.6kg Iron (III) oxide Fe3O4 with carbon monoxide CO as given in
1 answer
asked by
Road
507 views
Hi there, I am having a problem with this question, any help would be great.
Use the following balanced chemical equation to
2 answers
asked by
katie
505 views
The mass of a flourine atom is 3.16 × 10^-23. What is the mass of 1,000,000,000 flourine atoms? Express your answer in
2 answers
asked by
Minnie
501 views
Solid magnesium metal reacts with chlorine gas according to the following equation:
Mg + Cl2 --> MgCl2 What mass of magnesium
2 answers
asked by
kellie
489 views
The binding energy of helium 4 He is
2 [atomic mass of proton = 1.00783U, atomic mass of neutron = 1.00867U] how do you calculate
1 answer
asked by
POPPY
502 views
Calculate the mass of KI in grams required to prepare 7.00 multiplied by 102 mL of a 2.60 M solution
1 answer
asked by
Anonymous
474 views
using the equation
c3h5+5o2=3co2+4h2o, calculate the mass of c3h8 that can produce 100g of h2o
2 answers
asked by
Abednego
489 views
A 893 g sample of a solution of the solute (CH3)2CO in the solvent C4H8O that has a concentration of 28.6 pph by mass (CH3)2CO
3 answers
asked by
Anonymous
481 views
how many grams of chlorine are in 2.01 grams of TiCl4?
2 answers
asked by
Anna
462 views
The Hubble Space Telescope (HST) has recorded evidence of a black hole at the center of the M87
galaxy. Using Doppler data, it's
2 answers
asked by
Zac
475 views
PH3 has a mass of 17.33 grams, what is the mass in grams of H2 produced?
4 PH3 -> P4 + 6 H2
1 answer
asked by
jamie
468 views
The mass of a truck when loaded with sand is 2875,35kg .After unloading the sand it has mass of 2010,5kg.what is the mass of the
3 answers
asked by
Kagiso sithole
462 views
Calculate the mass of lithium hydroxide that must be added to 50ml of water so that it may react exactly with 5ml solution of
1 answer
asked by
Jeconiah
455 views
What is the mass of all atoms in 2Fe+3O2=2Fe2O3
1 answer
asked by
Devon
456 views
Pages
1
2
3
4
5
Parent Categories (47)
Arithmetic
Atomic Mass
Atomic Physics
Atomic Structure
Atomic Structure and Isotopes
Baking Powder Ingredients
Binary Star Systems
Black Holes
Chemical Composition
Chemical Compounds
Chemical Concentration
Chemical Equations
Chemical Equations and Calculations
Chemical Formulas and Equations
Chemical Reactions
Chemical Reactions/Calculations
Chemical Solutions
Chemistry
Compounds
Concentration and Calculation
Concentration and Solution Calculations
Density
Density and Mass
Equations
Exoplanets
Gravitation
Isotopes
Kinetic Energy
Mass and Gravitation
Measurement and Calculation
Measurement and Conversion
Measurements and Calculations
Mechanics
Molar Mass
Molecules
Momentum
Momentum and Collisions
Physics
Physics and Mass
Reaction stoichiometry
Reactions
Solution Preparation
Solutions
Steam properties and behavior
Stoichiometry
Thermal Equilibrium
Word Problems