Questions LLC
Login
or
Sign Up
Ask a New Question
Science
Chemistry
If a sample of HNO3 is found to contain 8.44 · 10-2 mol of N atoms how many moles of HNO3 molecules are present? Express your answer in scientific notation.
1 answer
8.44E-2 mols N atoms must mean 8.44E-2 mols HNO3.
You can
ask a new question
or
answer this question
.
Similar Questions
If a sample of Co2(CO)8 is found to contain 6*10^-2 mol of C atoms, how many grams of Co atoms are present?
Molar Mass (g/mol)
Top answer:
Each molecule contains 2 Co atoms and 8 C atoms. So, divide .06moles of C by 4 to get moles of Co
Read more.
nitric acid is composed of HNO3 molecule.A sample of 4.50 g was obtained. calculate the number of oxygen atom in the sample.
this
Top answer:
method is correct and I agree with the aritmetic
Read more.
A 15.7mL sample of HNO3 reacts to neutralize 27.7mL of 0.187M KOH solution. What is the molarity of the HNO3 solution?
HNO3 + KOH
Top answer:
To determine how much solid potassium chromate you would need to prepare a 0.400 M solution of
Read more.
245 Mol/dm³ of HNO3 neutralizes 0.450 mol/dm² of 25 cm³ Na₂CO3.Calculate the Concentration of HNO3 in (a) mol/dm³ (b)
Top answer:
You need a volume of HNO3 used. Plus I don't think you have a concentration of 245 M. Can't make
Read more.
A sample of sucrose, C12H22O11(s),contains 0.16 mol of oxygen, atoms(O).
a.) What amount in moles of sucrose is in the sample?
Top answer:
a.) Well, let's break it down! The molecular formula for sucrose, C12H22O11, tells us that there are
Read more.
Superscript 15
How many moles of Pb is 9.3 X 1015 atoms of pb? 1 mol of Pb atoms will contain 6.02 x 10^23 atoms of Pb. So 9.3 x
Top answer:
To find the molar mass of ethane (C2H6), we need to multiply the atomic mass of each element by its
Read more.
So I think I have done this problem right, I was just wondering if anyone would check over it for me.
What mass (in grams) of
Top answer:
I don't understand why you went through the oxygen link; however, one factor canceled the other so
Read more.
The density of 19.0% by mass of nitric acid, HNO3 is 1.11 g cm-3. Calculate the
volume (dm3) of acid needed to prepare 2.00 dm3
Top answer:
First determine the concn of HNO3 in the 19.0% stuff. 1.11 g/cc x 1000 cc x 0.19 x (1 mol/98 g) =
Read more.
1) What volume of 1.25 mol/L hydrobromic acid, HBr(aq) will neutralize 75.0 ml of 0.895 mol/L magnesium hydroxide Mg(OH)2(aq)?
2)
Top answer:
(d) Determine the pH of a partially dissolved solution of phosphorous acid at a concentration of
Read more.
1) What volume of 1.25 mol/L hydrobromic acid, HBr(aq) will neutralize 75.0 ml of 0.895 mol/L magnesium hydroxide Mg(OH)2(aq)?
2)
Top answer:
I have answered this question above.
Read more.
Related Questions
A 25ml solution of 0.5M NaOH is titrated until neutralized into a 50ml sample of HNO3. What was the concentration of the HNO3?
A 116.9 g sample of nitric acid solution that is 70.0% HNO3 (by mass) contains how many moles of HNO3?
how did you get the answer
How many atoms of carbon are needed to produce 0.45 mol Al?
3C + 2Al2O3 4Al + 3CO2 A. 2.6 × 1026 atoms B. 9.7 × 1024 atoms C.
A sample of pure cobalt-60 has an activity of 8 µCi.
(t1/2 cobalt-60 = 5.26 a) (a) How many atoms of cobalt-60 are present in
A sample of (N2H5)2C3H4O4 contains 1.084 x 1024 carbon atoms. How many moles of hydrogen atoms are there in the same sample?
A sample of propane(c3h8)has 3.84x10^24 H atoms.
a) how many carbon atoms does the sample contain? b) what is the total mass of
Find the mass of 1.6 mol of magnesium, Mg. How many atoms are present in such a sample?
The rusting of iron is represented by the equation 4Fe +3O2 --> 2Fe2O3. If you have a 1.50-mol sample of iron, how many moles of
A mixture of helium and neon gases at 317 K contains 3 times the number of helium atoms as neon atoms. The concentration
Glucose is a common type of sugar. One glucose molecule is made up of 24 atoms. 1/4 of the atoms are carbon, 1/2 are hydrogen
