For example, pH 10 is ten times more alkaline than pH 9 and 100 times (10 times 10) more alkaline than pH 8. Pure water is neutral. But when chemicals are mixed with water, the mixture can become either acidic or basic. Examples of acidic substances are vinegar and lemon juice.
For Office 2013, the lineup of packages available through retail channels remains the same, but Microsoft is bumping prices significantly. Office Home & Student, which includes Word, Excel, PowerPoint, and OneNote, will cost $140, up 17% from the current $120. Office Home & Business, which includes the above apps plus Outlook, will go for $220, up 10% from the current price of $200.
How much does a piano cost? A piano can cost anywhere from $3,000 to more than $100,000, depending on the brand, size and the age of the piano. A quality digital piano starts around $2,000. Upright pianos start around $3,000 and grand pianos start around $5,000 for quality used pianos. New piano price ranges are slightly higher.