What is the boiling point of an aqueous solution that is 5.00m?

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3

When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?

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