Ask question

Ask question

All categories

3 years ago

14

Draw a ionic Lewis dot structure for Ba + F (Will give Brainliest for the best answer)

1 answer:

andreyandreev [35.5K]3 years ago

3 0

Ionic Lewis Dot Structure for BaF2, hope this helps.

You might be interested in

What is the molarity of the 8.76 g of Na2S dissolved in 0.500 L of solution?

AlexFokin [52]

Answer:

.224 M

Explanation:

To begin, we need to find the molar mass of Na2S

Na=22.99g, S=78.05g

2(22.99)+1(32.07)=78.05

To find Molarity, we use the equation M=moles/Liters of solution

We are given grams, so we must divide by the molar mass of Na2S to find moles.

8.76g Na2S / 78.05g/mol Na2S= .112 moles

Now we use our Molarity equation:

.112 moles Na2S / .500L of solution = .224 M

6 0

2 years ago

Now molecules<br> molecules of H,<br> molecules of 02<br> " molecules of H2O

rjkz [21]

Answer:

what is your question?

7 0

4 years ago

What would be the composition and ph of an ideal buffer prepared from lactic acid (ch3chohco2h), where the hydrogen atom highlig

Mashutka [201]

Answer:

$P_H =2.86$

$c=1.4\times 10^{-4}$

Explanation:

first write the equilibrium equaion ,

$C_3H_6O_3$ ⇄ $C_3H_5O_3^{-} +H^{+}$

assuming degree of dissociation $\alpha$ =1/10;

and initial concentraion of $C_3H_6O_3$ =c;

At equlibrium ;

concentration of $C_3H_6O_3 = c-c\alpha$

$[C_3H_5O_3^{-} ]= c\alpha$

$[H^{+}] = c\alpha$

$K_a = \frac{c\alpha \times c\alpha}{c-c\alpha}$

$\alpha$ is very small so $1-\alpha$ can be neglected

and equation is;

$K_a = {c\alpha \times \alpha}$

$[H^{+}] = c\alpha$ = $\frac{K_a}{\alpha}$

$P_H =- log[H^{+} ]$

$P_H =-logK_a + log\alpha$

$K_a =1.38\times10^{-4}$

$\alpha = \frac{1}{10}$

$P_H= 3.86-1$

$P_H =2.86$

composiion ;

$c=\frac{1}{\alpha} \times [H^{+}]$

$[H^{+}] =antilog(-P_H)$

$[H^{+} ] =0.0014$

$c=0.0014\times \frac{1}{10}$

$c=1.4\times 10^{-4}$

6 0

4 years ago

Choose all the answers that apply.

8_murik_8 [283]

Answer:

neutral atoms

Explanation:

6 0

3 years ago

Read 2 more answers

Three fundamental laws of chemical combination

BabaBlast [244]

Answer:

the law of multiple proportions, law of definite proportions, and law of conservation of mass.

Explanation:

(Hope this helps can I pls have brainlist (crown)☺️)

6 0

3 years ago