Writing Chemical Formulas
What is the chemical formula for water?
What is H2O
What is the name of NaCl?
What is sodium chloride
When the equation Na + O2 --> Na2O is balanced, the coefficient on the Na is...
What is 4
How many atoms are in one mole of a substance?
What is 6 x 1023
If 4 moles of H2 react with O2, how many moles of H2O will be produced? 2H2 + O2 --> 2H2O
What is 4 moles of H2O
Write the formula for sodium chloride.
What is NaCl
Name the compound K2S
What is potassium sulfide
When the equation C3H8 + O2 --> CO2 + H2O is balanced, the coefficient on the O2 is...
What is 7
What is the molar mass of carbon dioxide, CO2?
What is 44 grams
If 4 moles of O2 react with H2, how many moles of H2O will be produced? 2H2 + O2 --> 2H2O
What are 8 moles H2
What is the formula for sodium oxide?
What is Na2O
What is the name of the compound CaSO4
What is calcium sulfate
Write and balance the equation for the reaction of HCl and NaOH.
What is HCl + NaOH --> H2O + NaCl
How many grams are in 2 moles of Na?
What is 46
If 10 moles of O2 react with H2, how many grams of H2O will be produced? 2H2 + O2 --> 2H2O
What is 360 grams H2O
Write the chemical formula for aluminum sulfate.
What is Al2(SO4)3
Give the name for Fe₂O₃.
What is iron (III) oxide?
Write and balance the equation for the reaction between zinc and hydrochloric acid (HCl)
What is Zn + 2HCl --> ZnCl2 + H2
Calculate the number of moles in 50 grams of H2O?
What is 2.7 moles
If 5 moles of H2O are produced in the reaction, how many grams of H2 were required? 2H2 + O2 --> 2H2O
What is 10 grams H2
What is the formula for aluminum nitrate?
What is Al(NO3)3
Give the name for FePO4
What is iron (III) phosphate
Write the equation (but do not balance) for the combustion C4H10
C4H10 + O2 --> CO2 + H2O
How many molecules are in 3 moles of glucose, C6H12O6?
What is 1.8 x 1024 molecules
If 48 grams of O2 react with H2, how many grams of H2O will be produced? 2H2 + O2 --> 2H2O
What is 108 g H2O