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Ivahew [28]
3 years ago
9

How many formula units are in 9.039 moles of sodium chloride

Chemistry
1 answer:
hodyreva [135]3 years ago
7 0

Answer:

5.443 formula units

Explanation:

use avagadro's number: 1 mole = 6.022 ×10^{23} particles (in this case formula units)

number of mole × 6.022 ×10^{23} = number of particles

9.039 moles × 6.022 ×10^{23} = 5.443 × 10^{24} formula units

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1 year ago
The total pressure of gases a, b, and c in a closed container is 4.1 atm. if the mixture is 36% a, 42% b, and 22% c by volume, w
Natali [406]

 The  partial  pressure of  gas C  is 0.902  atm


  calculation

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3 0
4 years ago
Read 2 more answers
What is the mole ratio needed to determine the mass of phosphorus trifluoride produced from the reaction of 120 g of phosphorus
Vitek1552 [10]

Answer:

\frac{4molPF_3}{1molP_4}

Explanation:

Hello

In this case, given the reaction:

P_4(s)+6F_2(g)\rightarrow 4PF_3(g)

It means that since the coefficients preceding phosphorous and phosphorous trifluoride are 1 and 4, the correct mole ratio should be:

\frac{4molPF_3}{1molP_4}

Because given the mass of phosphorous it is convenient to convert it to moles and then cancel it out with the moles on bottom of the mole ratio.

Bes regards!

8 0
3 years ago
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