Calcium chloride contains only calcium and chloride. what is the formula for this compound?

Calculate the molarity of 48.0 ml of 6.00 m h2so4 diluted to 0.250 l .

If 15 drops of ethanol from a medical dropper weight 0.60g, how many drops does it takes from a dropper to dispense 1.0ml of ethanol? the density of ethanol is 0.80g/ml

Citric acid has a ph between 1 and 3.  it is considered to be aa. weak acidb. weak basec. strong based. strong acid