×
Get Full Access to Chemistry: The Central Science - 14 Edition - Chapter 18 - Problem 18.51
Get Full Access to Chemistry: The Central Science - 14 Edition - Chapter 18 - Problem 18.51

×

# ?Magnesium ions are removed in water treatment by the addition of slaked lime, $$\mathrm{Ca}(\mathrm{OH})_{2}$$. Write a balanced chemical equation to

ISBN: 9780134414232 1274

## Solution for problem 18.51 Chapter 18

Chemistry: The Central Science | 14th Edition

• Textbook Solutions
• 2901 Step-by-step solutions solved by professors and subject experts
• Get 24/7 help from StudySoup virtual teaching assistants

Chemistry: The Central Science | 14th Edition

4 5 1 320 Reviews
29
2
Problem 18.51

Magnesium ions are removed in water treatment by the addition of slaked lime, $$\mathrm{Ca}(\mathrm{OH})_{2}$$. Write a balanced chemical equation to describe what occurs in this process.

Text Transcription:

Ca(OH)2

Step-by-Step Solution:

Step 1 of 5) The electrolytic process used commercially to produce aluminum is the Hall–Héroult process, named after its inventors, Charles M. Hall and Paul Héroult. Hall (1863–1914) (Figure 20.31) began working on the problem of reducing aluminum in about 1885 after he had learned from a professor of the difficulty of reducing ores of very active metals. Before the development of an electrolytic process, aluminum was obtained by a chemical reduction using sodium or potassium as the reducing agent, a costly procedure that made aluminum metal expensive. As late as 1852, the cost of aluminum was \$545 per pound, far greater than the cost of gold. During the Paris Exposition in 1855, aluminum was exhibited as a rare metal, even though it is the third most abundant element in Earth’s crust.

Step 2 of 2

## Discover and learn what students are asking

#### Related chapters

Unlock Textbook Solution

?Magnesium ions are removed in water treatment by the addition of slaked lime, $$\mathrm{Ca}(\mathrm{OH})_{2}$$. Write a balanced chemical equation to