How many atoms are in 3Ca(CIO3)2

Chemistry

1 answer:

satela [25.4K]2 years ago

4 0

Answer:

Explanation:

Percent composition by element

Element Symbol # of Atoms

Chlorine Cl 2

Calcium Ca 1

Oxygen O 6

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#2: A gas at unknown pressure and a volume of 66 cm has its pressure changed to 150 kPa. The new volume

Murljashka [212]

Answer:

Explanation:

The original pressure can be found by using the formula for Boyle's law which is

$P_1V_1 = P_2V_2$

where

P1 is the initial pressure

P2 is the final pressure

V1 is the initial volume

V2 is the final volume

Since we're finding the original pressure

$P_1 = \frac{P_2V_2}{V_1} \\$

150 kPa = 150,000 Pa

We have

$P_1 = \frac{150000 \times 166}{66} = \frac{24900000}{66} \\ = 377272.72...$

We have the final answer as

Hope this helps you

7 0

2 years ago

The solubility of magnesium phosphate at a given temperature is 0.173 g/L. Calculate the Ksp at this temperature. After you calc

jek_recluse [69]

Answer: $K_{sp}=1.25\times 10^{-14}$

$pK_{sp}=13.90$

Explanation:

Solubility product is defined as the equilibrium constant in which a solid ionic compound is dissolved to produce its ions in solution. It is represented as $K_{sp}$

The equation for the ionization of magnesium phosphate is given as:

$Mg_3(PO_4)_2\rightarrow 3Mg^{2+}+2PO_4^{3-}$

When the solubility of $Mg_3(PO_4)_2$ is S moles/liter, then the solubility of $Mg^{2+}$ will be 3S moles\liter and solubility of $PO_4^{3-}$ will be 2S moles/liter.