See what we can offer to your school
"SimpleStudy just makes sense...”
Get the best plan for your school
13 questions from this quiz
Ca2+\text{Ca}^{2+}Ca2+ and Mg2+\text{Mg}^{2+}Mg2+ ions
Scum (greyish, insoluble precipitate)
Ca(HCO3)2\text{Ca(HCO}_3)_2Ca(HCO3)2 and Mg(HCO3)2\text{Mg(HCO}_3)_2Mg(HCO3)2
By boiling
CaSO4\text{CaSO}_4CaSO4 or MgSO4\text{MgSO}_4MgSO4
No, it requires ion exchange
Ion exchange
Na+\text{Na}^{+}Na+ or H+\text{H}^{+}H+ ions
CaCO3\text{CaCO}_3CaCO3, H2O\text{H}_2\text{O}H2O, and CO2\text{CO}_2CO2
Ca2+\text{Ca}^{2+}Ca2+ precipitates as CaCO3\text{CaCO}_3CaCO3
It forms scum, requiring more soap
Calcium carbonate
Distilled water
Select your subjects, and get access to A+ resources today.