1) Qual é a massa de NaOH contida em 1 Kg de solução a 45% em massa. Sabendo que sua densidade é 1,5 gmL-1
, qual sua concentração em quantidade de matéria (mol/L)?

What is the percent by mass of magnesium sulfate in mgso4.7h2o

Calculate the mass of 0.750 mol of the following substance. na3po4. , i'm not quite sure on how to set up the problem to solve! : (

An unknown substance has been shown to have metallic bonds. which of the following is most likely a property of this substance? a. low conductivity b. low boiling point c. high malleability d. high solubility in water