dtenglish dtenglish
  • 21-02-2018
  • Chemistry
contestada

how many molecules of h2o are equal to 97.2 g h2o

Respuesta :

Dejanras
Dejanras Dejanras
  • 02-03-2018
m(H₂O) = 97,2 g.
n(H₂O) = m(H₂O) ÷ M(H₂O).
n(H₂O) = 97,2 g ÷ 18 g/mol.
n(H₂O) = 5,4 mol.
N(H₂O) = n(H₂O) · Na.
N(H₂O) = 5,4 mol · 6,023·10²³ 1/mol.
N(H₂O) = 3,25·10²⁴ molecules of water.
n - amount of substance.
Na - Avogadro number.
Answer Link
lmfdkma lmfdkma
  • 03-04-2020

Answer:

3.25*10^24

Explanation:

Answer Link

Otras preguntas

In what 3 ways in which organs of the circulatory system and the respiratory system are protected
i need help with this!​
6. describe how a molecule's shape is important for its ability to interact with other molecules.
Write 25 facts about toy cars
7. Cho phản ứng: CaCO3(r) = CaO(r) + CO2(k)Biết 0 H298 của phản ứng là 178,24 kj, 0298 S của phản ứng là 160,6.10-3 kj/KHãy tính biến thiên năng lượng tự do c
20.86 divided by 0.2 dividing decimals
the nurse has completed the initial assessment of a client and is now performing data analysis. the nurse obtained a blood pressure reading of 114/70 mm hg. wha
What is the GCF of 2 4 6 8 10 12 14 16 18 20 22 24 29 28 30 32 34 36 38 and 40 Whoever gets it write 100 points and brianliest. But if you just comment to the q
What’s the answer pls
public opinion polls ______ conducted on state-level matters.