Calculate the molar mass in grams per mol for ammonium dihydrogen phosphate HN4H2PO4
Blog
What is the net ionic equation for a reaction between a stro…
What is the net ionic equation for a reaction between a strong acid and a weak base.
What is the stoichiometric factor for the product to product…
What is the stoichiometric factor for the product to product in the reaction below? 3Sr(NO3)2 + 2Cs3PO4 → 6CsNO3 + Sr3(PO4)2
Check the activity series of metals near your periodic table…
Check the activity series of metals near your periodic table and determine, which one of the reactions will not take place?
Polymers are large molecules composed of simple units repeat…
Polymers are large molecules composed of simple units repeated many times. Thus, they often have relatively simple empirical formulas. Calculate the empirical formulas of Saran; 24.8% C, 2.0% H, 73.1% Cl
A sample of Fe3(PO4)2 contains 2.55 mol of iron(II) ions. Ac…
A sample of Fe3(PO4)2 contains 2.55 mol of iron(II) ions. According to the MR from the formula, the number of moles of phosphate ions in the sample is:
The following is the balanced molecular equation for the sto…
The following is the balanced molecular equation for the stoichiometric reaction between H2SO4 by KOH in aqueous solution.
What is the percent by mass hydrogen in ammonium hydrogen ar…
What is the percent by mass hydrogen in ammonium hydrogen arsenite (NH4)2HAsO4
A solution is prepared by dissolving 17.32 g of K3PO4(MM=212…
A solution is prepared by dissolving 17.32 g of K3PO4(MM=212.2663g/mol), in enough water to make 375 mL of solution. What is the concentration of the solution in units of molarity?
What notation is used to indicate that water is formed in th…
What notation is used to indicate that water is formed in the neutralization reaction?