Предмет: Химия, автор: ykker337

Массовая доля сахара в растворе, полученного при добавлении 50 г сахара к 150 г воды

a)55%
b)25%
c)35%
d)45%​

Ответы

Автор ответа: daniilgolovin293
0

200г-100%

50г-25%

ответ b

Автор ответа: BeHappian
0

Ответ:

b) 25%

Объяснение:

50/(50+150) = 0,25

Предыдущий вопрос
Следующий вопрос
Похожие вопросы
Предмет: Английский язык, автор: Аноним
I. Grammar. Open the brackets to complete the story:
Her Royal Highness Princess Victoria of Kent (bear)1 at Kensington Palace in London in 1819. Victoria’s father, the Duke of Kent and Strathearn, (be)2 the fourth son of King George III. The Duke of Kent and Strathearn, like many other sons of George III, (not marry)3 during his youth. The eldest son, the Prince of Wales (the future King George IV), did marry, but (have)4 only a daughter, Princess Charlotte Augusta of Wales. When she (die)5 in 1817, the remaining unmarried sons of King George III scrambled (marry)6 and fathered children to provide an heir for the king. At the age of fifty the Duke of Kent and Strathearn (marry)7 Princess Viktoria of Saxe-Coburg-Saalfeld, the sister of Princess Charlotte’s widower Prince Leopold of Saxe-Coburg-Saalfield and widow of Karl, Prince of Leiningen. Victoria, the only child of the couple, was born in Kensington Palace, London on 24th May, 1819. Although christened Alexandrina Victoria, from birth she formally (style)8 Her Royal Highness Princess Victoria of Kent, but (call)9 Drina within the family. Princess Victoria’s father died of pneumonia eight months after she was born. Princess Victoria’s uncle, the Prince of Wales, (inherit)10 the Crown, (become)11 King George IV.

II. Grammar. Fill in the articles where necessary:
Leonardo da Vinci (April 15, 1452 – May 2, 1519) was …1 celebrated Italian Renaissance architect, musician, inventor, engineer, sculptor and painter.
He has been described as …2 archetype of …3 “Renaissance man” and as …4 universal genius. Leonardo is well-known for his masterly paintings, such as “…5 Last Supper” and …6 “Mona Lisa”. He is also known for many inventions that were conceived well before their time but of which few were constructed in his lifetime. In …7 addition, he helped advance …8 study of anatomy, astronomy and civil engineering.
Leonardo was born in Anchiano, near Vinci, Italy. He was …9 illegitimate child. His father Ser Piero da Vinci was …10 young lawyer and his mother, Caterina, was …11 peasant girl.
2 года назад
Предмет: Другие предметы, автор: Star2007
По каким сосудам перемещается более тёмная кровь?
2 года назад
Предмет: Қазақ тiлi, автор: зарница1
помогите пожалуйста разобрать слова по падежам Кала,эже,ана,алма
2 года назад
Предмет: Математика, автор: svetlanatoropova67
Найдите значение выражения 1,8/ 1+ 1/19
8 лет назад
Предмет: Математика, автор: Аноним
Чтобы сварить режим каши, надо взять две части крупы и три части воды. Сколько требуется воды, если вко – положили 150 г крупы? Можно пожалуйста в скобках и пояснение
8 лет назад