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bekas [8.4K]
2 years ago
15

Anyone who wanna be my frien this is my sn id hassaan_navee21I am b​

Chemistry
1 answer:
Marysya12 [62]2 years ago
4 0

Answer:

sure

Explanation:

ill add u later

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How many atoms are in this formula PCl6 ?
Debora [2.8K]

The molecule is unstable and impossible to create the PCl_6

Only one way is that change the formula

  • PCl_6-

Lets look at structure(See attachment)

There are total 7atoms

  • P=1
  • Cl=6

4 0
2 years ago
Calculate the mass of 2.50 mol of CH,OH(1). Show your work. Use the appropriate
Sophie [7]

Answer:

80.1 grams

Explanation:

Find the molar mass of CH3OH first by using the periodic table values.

12.011 g/mol C + (1.008*3 g/mol H) + 15.999g/mol O + 1.008 g/mol H

=32.042 so that is the molar mass

Now that you have 2.50 moles of CH3OH, you can calculate the mass in g

2.50molCH3OH * (32.042g CH3OH / 1 mol CH3OH) = 80.105

32.042g / 1 mol is the same as 32.042 g/mol

Since there are 3 sig figs in the problem (2.50 has 3 sig figs), you round to 80.1 g CH3OH

7 0
3 years ago
002 (part 1 of 2) 10.0 points
BARSIC [14]

Answer:

4) 1.5 mol

Explanation:

Well, the equation is already balanced and the mole to mole ratio of reactants and products are all 1. So if the limiting reactant is HCl and you have 1.5 mol, you do the mole to mole ratio with NaCl and since it is 1 to 1, there'd be 1.5 mol of NaCl.

6 0
2 years ago
True or false, The atomic number of an element is a whole number that decreases as you read across each row of
torisob [31]

Answer:

I believe it's false because the atomic number is the number of protons in the nucleus of an atom.

5 0
2 years ago
How scientists used the scientific method to learn more about how dinosaurs became extinct​
lesya [120]

Answer:

they tested the bone age

Explanation:

4 0
2 years ago
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