3 years ago

Could an ionic bond form between two cations

1 answer:

6 0

No cations are both positive. An ionic bond has to have a positive and negative to form. Or a metal and a nonmetal if that helps.

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Andru [333]

i think its theory but im not to sure

6 0

3 years ago

bulgar [2K]

<span>0.967 x 10^-6 HZ

This should be correct (:</span>

8 0

4 years ago

Tanya [424]

doesnt salt desolve ice? so wouldn't the salt dissolve in the ice water?

6 0

3 years ago

4vir4ik [10]

Answer:

We need 0.375 mol of CH3OH to prepare the solution

Explanation:

For the problem they give us the following data:

Solution concentration 0,75 M

Mass of Solvent is 0,5Kg

knowing that the density of water is 1g / mL, we find the volume of water:

$d = \frac{g}{mL} \\\\ V= \frac{g}{d} = \frac{500g}{1 \frac{g}{mL} } = 500mL = 0,5 L$

Now, find moles of $CH_{3} OH$ are needed using the molarity equation:

$M = \frac{ moles }{ V (L)} \\\\\\molesCH_{3}OH = M . V(L) = 0,75 M . 0,5 L\\\\molesCH_{3}OH = 0,375 mol$

therefore the solution is prepared using 0.5 L of H2O and 0.375 moles of CH3OH, resulting in a concentration of 0,75M

5 0

4 years ago

Luden [163]

Answer:

1 molecule of oxygen has 2 atoms.

So 2,25 molecules of oxygen have 2 x 2,25 atoms.

2 x 2,25 = 4,5 atoms

There are 4,5 atoms in 2,25 molecules oxygen.

3 0

3 years ago