Author Question: Which of the following is an acid base reaction? A) C(s) + O2(g) CO2(g) B) 2 HClO4(aq) + ... (Read 78 times)

karlynnae · **on:** Aug 27, 2018

Which of the following is an acid base reaction?

A) C(s) + O2(g) CO2(g)
B) 2 HClO4(aq) + Ca(OH)2(aq) 2 H2O(l) + Ca(ClO4)2(aq)
C) Fe(s) + 2 AgNO3(aq) 2 Ag(s) + Fe(NO3)2(aq)
D) MgSO4(aq) + Ba(NO3)2(aq) Mg(NO3)2(aq) + BaSO4(s)
E) None of the above are acid base reactions.

Question 2

How many g of CaCl2 are needed to prepare 500. mL of a 0.375 M solution?

A) 0.188 g
B) 1.69 g
C) 3.00 g
D) 20.8 g
E) 37.0 g