Author Question: How many grams of hydrated MgSO4 5 H20 (M.W.: MgSO4 = 119, H20 = 18) are required to make a 10 ... (Read 51 times)

B · **on:** Aug 10, 2018

How many grams of hydrated MgSO4 5 H20 (M.W.: MgSO4 = 119, H20 = 18) are required to make a 10 solution of MgS04?

A) 5.7 g/dL
B) 11.9 g/dL
C) 17.6 g/dL
D) 20.9 g/dL

Question 2

What is the molarity (M) of a 4 solution of sodium hydroxide (NaOH)? M.W: Na = 23, O = 16, H = 1.

A) 0.1M
B) 0.25M
C) 1.0M
D) 2.5M