1. Which net ionic equation describes the reaction between K3PO4(aq) when it is mixed with Al(NO3)3(aq)? O AB+(aq) +3NO3- (aq) – 3AINO3(s)
O K+(aq) + NO3(aq) - KNO3 (aq)
O 3K+(aq) + PO43-(aq) – 3KPO4(s)
O A13+(aq) + PO43-(aq) - AlPO4(s)​

Imagine that twenty i.u.’s of enzyme z were catalyzing the above reaction for one minute, under vmaxconditions, in a 3.00 ml assay volume. the assay is buffered with 20 mm phosphate buffer, ph 7.60. what will the ph be at the end of that one minute?

What is the chemical formula of magnesium bromide? a. mgbr2 b. mgbr c. mg2br2 d. mg2br

When the ionic compound nabr dissolves in water, br– ions are pulled into solution by the attraction between what two particles? a. the na+ and br– ions b. the na+ ion and the negative end of a water molecule c. the br– ion and the positive end of a water molecule d. the br– ion and the negative end of a water molecule