Questions LLC
Login
or
Sign Up
Ask a New Question
Questions
Science
Does anyone know the answer to this? 2.50mL Fe =? atoms Fe, Dfe =7.87 g/mL
1 answer
7.87g/mL * 2.50mL * 1mole/55.845g * 6.023x10^23 atoms/mole = 2.12x10^23 atoms
You can
ask a new question
or
answer this question
.
Related Questions
Using your answer from Part A, calculate the volume of a mole of Na atoms (in cm3/mol ). Assume that the entire volume is
The number of moles of H2O produced in reaction of 50ml 1.0 M HCl and 50mL 1.0 M Naoh
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.
how many atoms of carbon(c) are present in the reactants of the following chemical equation?
c7h16+02>co2+h20 a ) 7 atoms b ) 16
Use the model of a molecule to answer the question.
H H | | H — C — C — O — H | | H H How many atoms of carbon does this
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
Calculate the molar heat of neutralization in kj/mol of the reaction between HA and BOH given the following information:
The
Molecules and Structures Quick Check 2 of 42 of 4 Items Question Use the model of a molecule to answer the question. H H | | H
How many atoms of carbon does this molecule have? (1 point) Responses 2 atoms 2 atoms 1 atom 1 atom 4 atoms 4 atoms 6 atoms
Molecules and Structures Use the model of a molecule to answer the question.
H H | | H — C — C — O — H | | H H How many