8.40mol of CO2 are produced, how many moles of Oxygen were used?

Achemist requires 6.00 liters of 0.320 m h2so4 solution. how many grams of h2so4 should the chemist dissolve in water? 121 grams 159 grams 176 grams 188 grams

Miner's coal distributors does not mine coal itself, nor does it even store or handle the coal. instead, miner's solicits orders for low sulfur coal from other firms, then purchases the required amount from suppliers and directs them to ship the coal to its customers. what is miner's

Mercury metal is poured into a graduated cylinder that holds exactly 22.5 ml the mercury used to fill the cylinder mass in 306.0 g from this information calculate the density of mercury