Chemistry · Foundation

1/3
Evaporating to drynessRunning
Separation strip. Salt recovered at 22.1 g. Mass accounted for 254.1 g, Starting mass 240 g. Currently mass accounted for is over by 14.1 g.TUNING
t = 0.0s

Mass accounted for

254.1g

Starting mass

240g

Mass accounted for is over by 14.1 g

22.1 g

Separation strip. Salt recovered at 22.1 g. Mass accounted for 254.1 g, Starting mass 240 g. Currently mass accounted for is over by 14.1 g.

What has to balancemsolution=msalt+mwaterm_{\text{solution}} = m_{\text{salt}} + m_{\text{water}}

What is happening

You arrive at a coastal school evaporating seawater on a windowsill.

The salt left in the dish has not been weighed. It started as 240 g of seawater, and 232 g of that left as vapour over the week.