Chemical Quantities and nuclear
What is the molar mass of water (H20)?
18.016 grams per mole
If you have 5 moles of O2 ,how many moles of H2O will be produced?
10 moles
Name the following acid: HBr(aq)
Hydrobromic acid
How many moles are there in 49 grams of sulfuric acid (H2SO4)?
0.5 moles
How many grams are there in 2.5 moles of water (H2O)?
45 grams
Name the compound: NaCl
Sodium chlorine
How many molecules are present in 9 grams of water (H2O)?
3.011x103
If 10.0 grams of methane (CH4) are burned in excess oxygen, how many grams of water (H2O) will be produced?
22.45 grams
Write the chemical formula for hydroiodic acid
Hl(aq)
What is the percent composition of each element in water (H2O)?
11.11% or 88.89%
If 5 liter of nitrogen gas (N2) react completely with hydrogen gas (H2) to form ammonia (NH3), how many liters of ammonia will be produced?
10 liters
Write the chemical formula for potassium hydroxide
KOH
You have 100mL of a 2.0M stock solution of NaCl. You need to make 500 mL of a 0.5 M NaCl solution. how many mililiters of the stocl solution do you need to silute?
125 mL
If you have 12 grams of hydrogen and 71 grams of chlorine, how many grams of hydrochloric acid can be produced?
73 grams
Is hydrochloric acid (HCl) a strong acid or a weak acid?
Strong acid