Nicotinic acid (HC2H4NO2) is a B vitamin. It is also a weak acid with a Ka=l.4 x 10- 5. What is the [H+] and pH of a 0.010 M solution?

In all living cells dna controls cellular activities by

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

Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.