The natural abundance of 2H is 0.015% and that of 18O is 0.20%. How many 2H218O molecules are there in 1.0 moles of water?

The natural abundance of 2H is 0.015% and that of 18O is 0.20%. How many 2H218O molecules are there in 1.0 moles of water?

how do you prepare 125ml of 1.5 moles of CaCl2

An experiment calls for 50 mL of a 0.5 M aqueous solution of sodium hydrogen carbonate. Describe how you would make up such a solution?

Formula: CaCO3 + 2HCl = CaCl2 + H2O + CO2 (already balanced) How many moles of CaCO3 reacted? Theoretically, how many grams water should be produced? Answer...

1. How many strontium ions? 2. How many phosphite ions? 3. How many oxygen atoms? Please show work so I know what you did, thank you

How many grams are in 5.12 moles of HCN?

The numbers in the equation are subscripts *in front of compound are coefficients to balance the equation please show your work, so i can see how you did it(:

Dilute H Cl was added to zinc until no further reaction occurred. what mass of zinc chloride would be produced if 0.040 mole of H Cl reacted with excess zinc? The answer i got was 1.31 grams of zinc...

How do you solve this?

Question: 23.9 grams of P4 react with 20.8 grams of O2, how many grams of P4O10 would be produced? Equation: P4 + 5O2 = P4O10 (already balanced)

Question: If the reaction of 20.7 grams of CaCO3 produces 6.81 grams of CaO, what is the percent yield? Equation: CaCO3 = CaO + CO2

Question: For the balanced equation shown below, if the reaction of 91.3 grams of C3H6 produces a 81.3% yield, how many grams of CO2 would be produced? Equation: 2C3H6 + 9O2 = 6CO2...

Question: 93.8 grams of PCl5 react with 20.3 grams of H2O. How many grams of H3PO4 would be produced (theoretical yield)? Equation: PCl5 + 4H2O = H3PO4 + 5HCl

Question: If 18.3 grams of C2H5 were reacted with 37.3 grams of O2, how many grams of Cl2 would be produced? Equation: 4C2H5Cl + 13O2 = 8CO2 + 10H2O + 2Cl2 (already bal...

Equation: Al2(SO3)3 + 6NaOH = 3Na2SO3 + 2Al(OH)3 (already balanced) a) If 10.0 g of Al2(SO3)3 is reacted with 10.0 g of NaOH, determine the limiting reagent. b)...

Equation: C3H8 + 5O2 = 3CO2 + 4H2O (already balanced) a) If you start with 14.8 g of C3H8 and 3.44 g of O2, determine the limiting reagant b) Determine the number...

It is claimed that one such system generates 4.00g O3 per hour from dry air passing through the purifier at a flow of 5.00 L/min. If one liter of indoor air contains .280g of O2. The...

E-85 is an alternative fuel for automobiles and light trucks that consists of 85% (by volume) ethanol, and 15% gasoline. The density of ethanol is .79 g/mol.

Equation: Zn + 2HCl = ZnCl2 + H2 Given: .15 mol Zn react

How many Volkswagons are there in 1 mole of Volkswagons? – Show Work