Calculating Molarity

Zn + 2HCl $\longrightarrow$ ZnCl$_2$ + H$_2$

How many grams of Zn will react with 25.0 mL of 3.0 M HCl?

How many grams of AgNO$_3$ are needed to prepare 250 mL of 0.0125 M AgNO$_3$? (MM of AgNO$_3$ = 169.87 g/mol)

How could 100 mL of 0.125 M H$_2$SO$_4$ solution be made from 0.500 M H$_2$SO$_4$ solution?

How many milliliters of 0.124 M NaOH contain enough NaOH to react with 15.4 mL of 0.108 M H$_2$SO$_4$ ?

2 NaOH + H$_2$SO$_4$ $\longrightarrow$ 2 H$_2$O + Na$_2$SO$_4$