Questions LLC
Login
or
Sign Up
Ask a New Question
Chemical calculations
Page 3
Questions (138)
Information needed to determine Molarity of CH3CO2H
1 answer
asked by
Nadia
18 views
Calculate the mass (in grams) of sugar, C12H22O11, in 142.4 mL of a 1.39 M solution of sugar.
(atomic weights: C = 12.01, H =
4 answers
asked by
Nora
678 views
Seawater contains 0.412 g Ca per kilogram of water. What is the number of moles of Ca per kilogram of water? What is the
2 answers
asked by
Unknown
638 views
Calculate the mass concentrated in gdm3 of the ion Cl- in 0.2M dm3 sodium chloride solution.?
2 answers
asked by
Zobo
600 views
find the molar mass of 7.5gm of a gas occupying 5.8 lt volume at s.t.p.
2 answers
asked by
nidhi
590 views
How many grams of sodium bicarbonate (NaHCO3) are needed to make a 0.6M solution?
2 answers
asked by
Beth
593 views
What mass of KCl (MM = 74.55 g/mol) is required to make 600 mL of a 0.175 M solution
2 answers
asked by
whitney
593 views
how would i do something like this?
Calculate the concentration of borate ion for each titration. Use the borate ion
2 answers
asked by
david
575 views
calculate the molar mass of an unknown whose mass was 0.846 g, and occupied a volume of 354 cm3 at a pressure of 752 torr and a
2 answers
asked by
Carla
573 views
From your Dilution Data in the procedure 3 and 4, calculate the initial concentration of Fe3+ (aq) ion for tubes 2-5.
1. Add
2 answers
asked by
Chris
573 views
calculate the number of liters of liquid ethanol (density = 0.789g/ml) required to obtain a sample containing 1.00*10^25 C2H5OH
3 answers
asked by
stephen
550 views
How many ml of concetrated HCl are required to make 2 liters of 3N HCl from concentrated HCl that is 37% w/v and has a specific
2 answers
asked by
j
505 views
Mass of tablet: 1.4930g
Volume of HCL added: 100ml Find the milimoles of HCL added I have many questions similar to this, could
4 answers
asked by
Alexa
511 views
Calculate the value of Qc for the reaction above if 2.30 moles of NO2, 1.50 moles of NO, and 1.20 moles of O2 are placed in a
3 answers
asked by
Raj
514 views
Calculate the molecular weight of a gas if 16.8 g of the gas occupies 16.3 L at STP.
2 answers
asked by
Shawn
488 views
How many grams of CaCl2 would be required to be added to water to prepare 1 Liter (1000ml) of a 1.72% (w/v) aqueous solution of
2 answers
asked by
ALEX9
524 views
Calculate the concentration of a 50.0mL sample of HBr acid, which was titrated with 37.7 mL of 0.57 M NaOH base.
Why is an
2 answers
asked by
Jared
519 views
Calculate the number of moles of solute in 18.33 mL of 0.1115 M K2Cr2O7(aq)
2 answers
asked by
Jason
488 views
26. How many grams of NaOH are required to prepare 350cm3 of 1.25M NaOH
solution?
1 answer
asked anonymously
43 views
what mass (in grams) of solid potassium permanaganate is required to prepare 250mL of a 0.02 M of potassium permanaganate
1 answer
asked by
Hannah
487 views
calculate the mass of sodium hydroxide needed to prepare 100 ml of a .10 m solution
1 answer
asked by
mike
475 views
Can someone link me videos and sites that can teach me the formula to solve these? Or try to help me understand how to solve
3 answers
asked by
Samantha
468 views
How many moles of sucrose C12H22O11 does 300 mL of a .10M sucrose solution contain?
1 answer
asked by
kevin
462 views
As little as 1.oomg of Arsenic in 1-L of water can kill you. Calculate the following. Assume the density of the solution is
1 answer
asked by
Tricia
473 views
How many moles of ammonia are in 735. mL of a 4.25 M aqueous ammonia solution?
1 answer
asked by
Lilac
434 views
Calculate RAM of Cu and S from the percentage abundances of their isotopes Use your answers to find the RFM of Copper (II)
1 answer
asked by
vidya
477 views
How many grams of ethylene glycol, HOCH2CH2OH, are present in 5.6 gallons of a 4.81 m solution with a density of 1.98 g/mL?
g
1 answer
asked by
jan
458 views
500ml of 0.1M CaCl2 is required for protimes. How many grams of CaCl2 * H2O should you weight out?
3 answers
asked by
j
466 views
What is the molar concentration of calcium hydroxide that has 0.185g solute in 100ml solution?
1 answer
asked by
n/a
444 views
calculate the mass of solute needed to preaqe 1000ml of 1.1M CuSO4
1 answer
asked by
Daniel
439 views
A) solve for the number of grams of Ca2+ ion in a solution prepared by adding 1 gram of calcium oxalate powder to 100 mL at pH
1 answer
asked by
naresh
462 views
Calculate the mass of sulphuric acid in 250cm of solution whose concentration is 0.25Mol/dm
1 answer
asked by
Gloria
20 views
Calculate the number of mol in 555g of CaCO3
1 answer
asked anonymously
13 views
What is the mass of 2 mol of C25H52?
1 answer
asked anonymously
12 views
What is the molar mass of the compound K4[Fe(CN)6] ?
1 answer
asked anonymously
14 views
What is the number of oxygen atom in 32 g of gas (oxygen is equal to 16 and avocado number is equal to 6 * 10 ^ 23
1 answer
asked by
Henry joy
5 views
How many grams of Ag are contained in 0.839 m of Ag?
1 answer
asked anonymously
9 views
Use malarity and titration calculations
1 answer
asked by
Alicia
7 views
Pages
1
2
3
Parent Categories (4)
Chemistry
Science (or Chemistry)
Science and Chemistry
Stoichiometry