Answer: a) Por la estequiometría de la reacción, vemos que: 2. 4. 2. 4. 3. 2. 4. 98 g de H ... a) ¿Qué volumen de ácido sulfúrico concentrado de densidad 1'84 g/mL y 96 ... a) ¿Cuántos moles de átomos de carbono hay en 1'5 moles se sacarosa 12 ... b) El volumen de la misma que debe tomarse para preparar 1 L de disolución de.
<span>Now. a 1m (that is a 1molal) solution is prepared by disssolving the molar mass in grams of the solute in 1kg or 1000g of solvent
Therefore a 0.244m solution is prepared by dissolving 32.0420*0.244 = 7.818g CH3OH in 1000g water
But you want to use only 400g water:
mass required = 7.818*400/1000 = 3.127g
Answer: dissolve 3.13g CH3OH in 400g water.</span>
Answer:
x=-1
Explanation:
1. Simplify brackets.
2x+3×6x=−20
2. Simplify 3×6x to 18x.
2x+18x=−20
3. Simplify 2x+18x to 20x.
20x=−20
4. Divide both sides by 20.
x=−1
The ideal gas model assumes that gas particles experience no intermolecular attractions.
At low temperature, gas particles move slowly.
At high pressures, gas particles are very close together.
The closeness of the gas particles and their low speed allow intermolecular forces to become important at high pressure and low temperature.
The intermolecular forces cause the gas to deviate from ideal behavior.