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Author Question: How many grams of hydrated MgSO4 5 H20 (M.W.: MgSO4 = 119, H20 = 18) are required to make a 10 ... (Read 63 times)

B

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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


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aburgess

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Reply #1 on: Aug 10, 2018
Answer to Question 1

Ans: C

Answer to Question 2

Ans: C


B

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Reply 2 on: Aug 10, 2018
Gracias!

ebonylittles

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Reply 3 on: Yesterday
Wow, this really help

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