Question
(i) Chalk contains Calcium, Carbon and Oxygen in the ratio . Find the percentage of carbon in chalk.
(ii) If in a stick of chalk, Carbon is , what is the weight of the chalk stick?
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Text solutionVerified
(i) Given ratio
Total part
Part of carbon
Percentage of Carbon part in chalk %
(ii) Quantity of Carbon in chalk stick
Let the weight of chalk be
then, % of
Hence the weight of chalk stick is
Total part
Part of carbon
Percentage of Carbon part in chalk %
(ii) Quantity of Carbon in chalk stick
Let the weight of chalk be
then, % of
Hence the weight of chalk stick is
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Question Text | (i) Chalk contains Calcium, Carbon and Oxygen in the ratio . Find the percentage of carbon in chalk. (ii) If in a stick of chalk, Carbon is , what is the weight of the chalk stick? |
Answer Type | Text solution:1 |
Upvotes | 150 |