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Sri Lanka has roughly 22,156,000 people and an annual population growth rate of 0.5%. The birth rate is 13.8 births per 1,000 people, and the death rate is 6.0 deaths per 1,000 people. [271] Population density is highest in western Sri Lanka, especially in and around the capital.
By accounting for the self-ionization of water, the true pH of the solution can be calculated. For example, a 5 × 10 −8 M solution of HCl would have a pH of 6.89 when treated as a mixture of HCl and water. The self-ionization equilibrium of solutions of sodium hydroxide at higher concentrations must also be considered.
A flat white is prepared by adding steamed hot milk to two espresso shots. [127] It has less milk than a latte, but both are varieties of coffee to which the milk can be added in such a way as to create a decorative surface pattern. Such effects are known as latte art. [128] Coffee is frequently served iced.
Steeping, or brewing, is the process of making tea from leaves and hot water, generally using 2 grams (0.071 oz) of tea per 100 millilitres (3.5 imp fl oz; 3.4 US fl oz) of water or about 1 teaspoon of green tea per 150 millilitres (5.3 imp fl oz; 5.1 US fl oz) cup. Steeping temperatures range from 61 °C (142 °F) to 87 °C (189 °F) and ...
Tofu skin is produced when soy milk is boiled in an open, shallow pan, thus producing a film or skin composed primarily of a soy protein-lipid complex on the liquid surface. [75] The films are collected and dried into yellowish sheets known as "soy milk skin" (腐皮, fǔpí in Chinese; 湯葉, yuba in Japanese). Its approximate composition is ...
The population of Finland is about 5.6 million. The birth rate is 7.8 per 1,000 residents, for a fertility rate of 1.26 children born per woman, [213] one of the lowest in the world, significantly below the replacement rate of 2.1. In 1887 Finland recorded its highest rate, 5.17 children born per woman. [214]